NP-Emergency Medicine CE

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All of our activities are approved by AANP (ARNP) and all activity is reported to CE Broker and all states as required. StatPearls continuing education activities are linked to practice questions which are based on the American Academy of Nurse Practitioners (AANP®) - Emergency Nurse Practioner Certification content outlines. 1,911 authors and 22 editors have contributed to the development of the NP-Emergency Medicine content, which is continuously refined and updated to improve your learning experience.

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NP-Emergency Medicine Activities

Title Description Hours Questions
2-Octyl Cyanoacrylate 2-Octyl cyanoacrylate is one of the most commonly used commercially available wound adhesives. Current indications include any easily approximated sur ... Read the Article 1 5 Activity Info
5th Metatarsal Fracture Fractures of the fifth metatarsal are common injuries that must be recognized and treated appropriately to avoid poor clinical outcomes for the patien ... Read the Article 1.25 10 Activity Info
Abdominal Abscess Abdominal abscesses contain cellular debris, enzymes, and liquid and can be from an infectious or non-infectious source. They are a common and serious ... Read the Article 1 7 Activity Info
Abdominal Angina Abdominal angina is postprandial pain that occurs in mesenteric vascular occlusive disease when blood flow to the colon is unable to meet visceral dem ... Read the Article 1 5 Activity Info
Abdominal Aortic Aneurysm An abdominal aortic aneurysm is a life-threatening condition that requires monitoring or treatment depending upon the size of the aneurysm and/or symp ... Read the Article 2 27 Activity Info
Abdominal Aortic Aneurysm Imaging Abdominal Aortic Aneurysms (AAAs) are a relatively common pathology. Ruptured aneurysms have an exceptionally high mortality rate. Early diagnosis an ... Read the Article 1 7 Activity Info
Abdominal Aortic Aneurysm Rupture Abdominal aortic aneurysm rupture represents a catastrophic emergency and if not recognized and appropriately treated, carries significant morbidity a ... Read the Article 1.25 10 Activity Info
Abdominal Compartment Syndrome Abdominal compartment syndrome occurs when the pressure in the abdominal cavity elevates beyond 20 mmHg. It is associated with multiorgan dysfunction. ... Read the Article 1 6 Activity Info
Abdominal Gunshot Wounds An abdominal gunshot wound is a multisystemic, traumatic injury that commonly causes high morbidity and mortality. Practitioners should recognize that ... Read the Article 1 4 Activity Info
Abdominal Hematoma A hematoma is a blood collection in an extravascular space and is named according to the location of the blood collection. Rectus sheath hematomas res ... Read the Article 1 6 Activity Info
Abdominal Thrust Maneuver The abdominal thrust maneuver, also known as the Heimlich maneuver, is used to treat upper airway obstructions caused by foreign bodies. This maneuver ... Read the Article 1 4 Activity Info
Abducens Nerve Palsy The abducens nerve, also known as cranial nerve VI, is responsible for ipsilateral eye abduction. Visualizing the anatomy of the nerve allows for bett ... Read the Article 1 7 Activity Info
Abnormal Respirations There are multiple types of normal and abnormal respiration. They include apnea, eupnea, orthopnea, dyspnea hyperpnea, hyperventilation, hypoventilati ... Read the Article 1.25 10 Activity Info
Abortion Abortion is one of the common procedures performed among women. In the US, in 2014, one in 5 pregnancies ended in abortion, and one in 4 women is esti ... Read the Article 1.25 8 Activity Info
Abortion Complications Roughly one million abortions are performed each year in the United States alone. The total abortion-related complication rate is estimated to be abou ... Read the Article 1 4 Activity Info
Abrasion Abrasion is the superficial denudation of the epithelium due to scraping, impact, or pressure. While the management of abrasions is relatively simple, ... Read the Article 1 6 Activity Info
Absence Seizure Absence seizures are brief seizures during which the patient is unresponsive. They are generally seen in children between 4 and 12 years of age. It ha ... Read the Article 1.25 12 Activity Info
Abuse and Neglect Abuse and neglect refer to the actions or inactions of an individual's caregiver or parent inflicting physical, sexual, or emotional harm on the indiv ... Read the Article 1 6 Activity Info
Acetabular Fractures Acetabular fractures primarily occur in young people who are involved in high-velocity trauma. Since the advent of mandatory seatbelt use, there has ... Read the Article 1 7 Activity Info
Acetaminophen Toxicity Acetaminophen toxicity is the second most common cause of liver transplantation worldwide and the most common cause of liver transplantation in the US ... Read the Article 1.25 11 Activity Info
Acetazolamide Acetazolamide is a diuretic and carbonic anhydrase inhibitor medication that is used to treat several illnesses. FDA-approved indications include glau ... Read the Article 1.25 9 Activity Info
Acetylcholinesterase Inhibitors Toxicity Nerve agents are some of the most deadly and easily employed chemical warfare agents. Given the global threat of terrorism, it is prudent to have a ba ... Read the Article 1.25 8 Activity Info
Achilles Tendon Rupture Achilles tendon rupture is the most common tendon rupture in the lower extremity. The injury most commonly occurs in adults in their third to fifth d ... Read the Article 1.25 8 Activity Info
Achilles Tendonitis The Achilles tendon ranks as the strongest tendon in the human body connecting the plantaris, gastrocnemius, and soleus to the calcaneus bone. This ac ... Read the Article 1.25 10 Activity Info
Acquired Immune Deficiency Syndrome Human immunodeficiency virus is transmitted sexually, via blood transfusions, sharing intravenous needles, and from the mother to a child during the b ... Read the Article 1 4 Activity Info
Acromioclavicular Joint Injury Acromioclavicular joint injuries account for more than forty percent of all shoulder injuries. Mild injuries are not associated with any significant ... Read the Article 1.25 9 Activity Info
Actinomycosis Actinomyces are gram-positive filamentous non-acid fast anaerobic to microaerophilic bacteria that typically colonize the human mouth, urogenital trac ... Read the Article 1.25 9 Activity Info
Activated Charcoal An oral suspension of activated charcoal should be considered in poisonings when gastrointestinal decontamination of an ingested toxin is indicated. A ... Read the Article 1 5 Activity Info
Active Tuberculosis Active tuberculosis is a condition in which Mycobacterium tuberculosis causes infection; typically in the lungs, although many systems can be involved ... Read the Article 1.5 12 Activity Info
Acute Abdomen An acute abdomen is a condition that demands urgent attention and treatment. The acute abdomen may be caused by an infection, inflammation, vascular o ... Read the Article 1 4 Activity Info
Acute and Chronic Thermal Burn Evaluation and Management Thermal burns are a significant cause of worldwide morbidity and mortality. They can lead to debilitating, lifelong injuries and have serious psycholo ... Read the Article 1.5 13 Activity Info
Acute Anemia Acute anemia occurs when there is an abrupt drop in red blood cells, usually due to acute hemorrhage or hemolysis. This activity reviews the presentat ... Read the Article 1 3 Activity Info
Acute Ankle Sprain Acute ankle sprains are commonly seen in both primary care practices and emergency departments and can result in significant short-term morbidity, rec ... Read the Article 1.25 12 Activity Info
Acute Arterial Occlusion Acute arterial occlusion is synonymous with acute limb ischemia and is considered a vascular emergency. Acute limb ischemia is defined as a sudden los ... Read the Article 1 5 Activity Info
Acute Bronchitis Acute bronchitis is the inflammation of the lining of the bronchi. It is a common presentation in emergency departments, urgent care centers, and prim ... Read the Article 1.25 9 Activity Info
Acute Cardiac Tamponade Cardiac tamponade occurs when excessive fluid accumulates in the pericardium, in turn compressing the heart and restricting the filling of the cardia ... Read the Article 1 7 Activity Info
Acute Chest Syndrome Acute chest syndrome occurs due to vaso-occlusion within the pulmonary vasculature of patients with sickle cell disease. This results in deoxygenation ... Read the Article 1.25 10 Activity Info
Acute Cholecystitis Acute cholecystitis is inflammation of the gallbladder that occurs due to occlusion of the cystic duct or impaired emptying of the gallbladder. Often ... Read the Article 1.75 20 Activity Info
Acute Closed Angle Glaucoma Acute angle-closure glaucoma is an ocular emergency that results from a rapid increase in intraocular pressure due to outflow obstruction of aqueous h ... Read the Article 1 6 Activity Info
Acute Compartment Syndrome Acute compartment syndrome is a condition in which there is increased pressure within a closed osteofascial compartment, resulting in impaired local c ... Read the Article 1.75 21 Activity Info
Acute Coronary Syndrome Acute coronary syndrome refers to a group of diseases in which blood flow to the heart is decreases. Some examples include ST-elevation myocardial inf ... Read the Article 1.25 10 Activity Info
Acute Coronary Syndrome Catheter Interventions Since the late 1970s, when catheter-based therapy for ischemic heart disease was first introduced, catheters have continued to evolve. Initially, card ... Read the Article 1 6 Activity Info
Acute Cystitis Urinary tract infections are the most common bacterial infection in women, and result in roughly eight million emergency department or clinic visits a ... Read the Article 1.25 11 Activity Info
Acute Diverticulitis Acute diverticulitis is inflammation of a diverticulum, a sac-like protrusion from the colon wall, due to micro-perforation. Diverticulitis presents i ... Read the Article 1.5 15 Activity Info
Acute Eclampsia Eclampsia is a pregnancy-related disorder that manifests as new-onset generalized tonic colonic seizures. Typically eclampsia occurs after gestational ... Read the Article 1.25 10 Activity Info
Acute Headache Headache is a nearly universal complaint. Most headaches are benign, and the majority of patients can be safely treated and discharged with minimal wo ... Read the Article 1 5 Activity Info
Acute Hepatic Porphyria Hepatic porphyrias are genetic disorders caused by the defect in an enzyme involved in heme synthesis and accumulation of heme precursors. Hepatic por ... Read the Article 1 5 Activity Info
Acute Hepatitis Acute hepatitis is a term used to describe a wide variety of conditions characterized by acute inflammation of the hepatic parenchyma or injury to hep ... Read the Article 1.25 7 Activity Info
Acute Intermittent Porphyria Acute intermittent porphyria is a rare autosomal dominant disease characterized by a deficiency of hydroxymethylbilane synthase (HMBS). It presents wi ... Read the Article 1.25 9 Activity Info
Acute Kidney Injury Acute kidney injury, previously known as acute renal failure, denotes a sudden and often reversible reduction in the kidney function, as measured by ... Read the Article 1.5 17 Activity Info
Acute Laryngitis Laryngitis refers to inflammation of the larynx. This is often due to an acute viral infection, which is typically a mild and self-limiting condition ... Read the Article 1 4 Activity Info
Acute Liver Failure Acute liver failure is defined as severe acute liver injury for fewer than twenty-six weeks duration with encephalopathy and impaired synthetic functi ... Read the Article 1 3 Activity Info
Acute Mastitis Mastitis can be broken down into lactational and non-lactational causes. While non-lactational causes of mastitis are less common, lactational mastiti ... Read the Article 1.25 10 Activity Info
Acute Mesenteric Ischemia Acute mesenteric ischemia is caused by a sudden decline in blood flow through the mesenteric vessels. Diagnosis can be difficult because symptoms are ... Read the Article 1.5 15 Activity Info
Acute Mountain Sickness At higher altitudes, the decreased partial pressure of oxygen can cause several pathological presentations, including high altitude pulmonary edema, h ... Read the Article 1 5 Activity Info
Acute Myocardial Infarction Acute myocardial infarctions are one of the leading causes of death in the developed world, with prevalence approaching three million people worldwide ... Read the Article 2 30 Activity Info
Acute Myocarditis Acute myocarditis is inflammation of the myocardium. It is typically seen in infants and teenagers but can occur at any age. It most commonly results ... Read the Article 1 5 Activity Info
Acute Otitis Media Acute otitis media (AOM) is defined as an infection of the middle ear and is the second most common pediatric diagnosis in the emergency department fo ... Read the Article 1.5 13 Activity Info
Acute Pancreatitis Acute pancreatitis is the leading cause of gastrointestinal-related hospitalization in the United States, and its frequency continues to rise in the U ... Read the Article 2.25 34 Activity Info
Acute Pneumothorax Evaluation and Treatment A pneumothorax is an accumulation of gas in the pleural space (the space between the visceral and parietal pleura of the chest cavity), which can imp ... Read the Article 1 7 Activity Info
Acute Porphyria Acute porphyrias are a group of rare disorders characterized by an enzymatic defect in the heme biosynthetic pathway. Patients present with acute, deb ... Read the Article 1 6 Activity Info
Acute Pulmonary Embolism Acute pulmonary embolism is a common clinical condition with a variable clinical presentation, making its diagnosis challenging. This activity outline ... Read the Article 2.25 31 Activity Info
Acute Pyelonephritis Acute pyelonephritis is a bacterial infection causing inflammation of the kidneys. Pyelonephritis occurs as a complication of an ascending urinary tra ... Read the Article 1.25 12 Activity Info
Acute Renal Colic Acute renal colic is severe pain resulting from the presence of a stone in the urinary system. The stone can be present anywhere along the path betwee ... Read the Article 1.25 6 Activity Info
Acute Renal Tubular Necrosis The most common intrinsic cause of acute kidney injury is acute tubular necrosis. Acute tubular necrosis is most common in hospitalized patients and c ... Read the Article 1 7 Activity Info
Acute Respiratory Distress Syndrome Acute respiratory distress syndrome (ARDS) is a life-threatening condition characterized by poor oxygenation and non-compliant or "stiff" lungs. The d ... Read the Article 2.25 33 Activity Info
Acute Scrotum Pain Acute scrotum pain is an umbrella term that includes a wide variety of unique disease processes. Patients may describe the rapid onset of symptoms wit ... Read the Article 1.25 9 Activity Info
Acute Sinusitis Rhinosinusitis is among the most common conditions encountered in the primary care clinic. It can result from viral, bacterial, or fungal infections, ... Read the Article 1.25 12 Activity Info
Acute ST Elevation Myocardial Infarction An acute ST-elevation myocardial infarction occurs due to occlusion of one or more coronary arteries, causing transmural myocardial ischemia which in ... Read the Article 1 7 Activity Info
Acute Stroke Acute strokes, also known as cerebrovascular accidents, are broadly classified as either ischemic or hemorrhagic. Acute strokes result in loss of bloo ... Read the Article 2 28 Activity Info
Acute Subarachnoid Hemorrhage Subarachnoid hemorrhages are true emergencies that demand prompt treatment. Subarachnoid hemorrhages result from a medical aneurysmal rupture or traum ... Read the Article 1.5 15 Activity Info
Addison Disease Addison disease is a relatively rare condition, which can have devastating consequences if not promptly recognized and appropriately treated. Often th ... Read the Article 2 28 Activity Info
Addisonian Crisis An Addisonian crisis, or adrenal crisis, is a potentially life-threatening condition that results from an acute insufficiency of adrenal hormones (glu ... Read the Article 1.25 10 Activity Info
Adenomyosis Adenomyosis is a gynecologic condition characterized by ectopic endometrial tissue within the uterine myometrium. Presenting signs and symptoms vary, ... Read the Article 1.25 9 Activity Info
Adenosine Adenosine has uses as both a diagnostic or therapeutic agent. As a diagnostic agent, adenosine can be utilized in myocardial perfusion stress imaging ... Read the Article 1.25 10 Activity Info
Adrenal Crisis Adrenal crisis is an acute life-threatening condition precipitated by an internal or external process in the setting of known or unknown adrenal insuf ... Read the Article 1.25 10 Activity Info
Adrenal Insufficiency Adrenal glands produce hormones necessary for normal body functioning; the deficiency of these hormones is called adrenal insufficiency. Adrenal insuf ... Read the Article 1 6 Activity Info
Adrenergic Drugs Adrenergic drugs are a broad class of medications that bind to adrenergic receptors throughout the body. These receptors include: alpha-1, alpha-2, be ... Read the Article 1 6 Activity Info
Adult Dehydration Dehydration is a common condition that affects patients of all ages. Dehydration may complicate other medical problems and may cause significant illne ... Read the Article 1.25 13 Activity Info
Adult Diabetic Ketoacidosis Diabetic ketoacidosis (DKA) is characterized by uncontrolled hyperglycemia, metabolic acidosis, and increased body ketone concentration. It is a life- ... Read the Article 1.25 11 Activity Info
Afferent Loop Syndrome This activity reviews the etiology, evaluation, and management of afferent loop syndrome (ALS), with particular attention to the difference in managem ... Read the Article 1 7 Activity Info
African Trypanosomiasis African trypanosomiasis, also known as sleeping sickness is transmitted via the bite of the tsetse fly and is predominantly seen in subsaharan Africa. ... Read the Article 1 6 Activity Info
Agammaglobulinemia Agammaglobulinemia or hypogammaglobulinemia is a rare inherited immunodeficiency disorder, characterized by low or absent B cells with absent immunogl ... Read the Article 1.25 8 Activity Info
Aggression Aggression has been treated by both medications and psychotherapy, but relapses are common. Aggressive patients frequently run into legal problems bec ... Read the Article 1.25 8 Activity Info
Agitation Agitation is a nonspecific constellation of relatively unrelated behaviors that can be seen in various clinical situations, usually presenting with a ... Read the Article 1 6 Activity Info
Air Leak An air leak is the leakage of air from an air-containing cavity into spaces that, under normal circumstances, do not contain air. The term air leak sy ... Read the Article 1 4 Activity Info
Airway Assessment A thorough, but brief, airway assessment is essential for the proper management of patients requiring advanced airway management. Indications for the ... Read the Article 1 6 Activity Info
Airway Foreign Bodies Foreign body aspiration is the fourth leading cause of death in preschool and younger age children and accounts for a significant number of emergency ... Read the Article 1.25 7 Activity Info
Airway Management Interprofessional team members must be familiar with the important anatomical, physiological, and pathological features related to the airway and have ... Read the Article 1.75 19 Activity Info
Airway Monitoring Airway monitoring involves assessing both a patient’s ventilatory function and their ability to perform adequate gas exchange. Determining a patient’s ... Read the Article 1 5 Activity Info
Airway Obstruction Airway obstruction secondary to a foreign body is often easily treated, as the foreign body can be removed, and the patency of the airway restored. Ho ... Read the Article 1 4 Activity Info
Akathisia Akathisia is a neuropsychiatric syndrome that can occur as an adverse effect of antipsychotic medications and manifests as psychomotor restlessness. I ... Read the Article 1.25 11 Activity Info
Albumin Colloid Albumin is the most abundant protein in the blood and accounts for about 50 percent of all plasma proteins. It gets synthesized by the liver and secre ... Read the Article 1 7 Activity Info
Albuterol Albuterol is used for the treatment and prevention of bronchospasm (acute or severe) in patients with reversible obstructive airway disease. It also h ... Read the Article 1.25 9 Activity Info
Alcohol and Substance Abuse Evaluation and Treatment in American Indians and Alaska Natives Alaskan Natives and American Indians comprise a diverse population with a distinct variation in alcohol and substance abuse rates due to geographic lo ... Read the Article 1 5 Activity Info
Alcohol Related Psychosis Psychosis associated with alcohol can occur with acute intoxication, alcohol withdrawal, and chronic alcoholism. Alcohol-related psychosis is also kno ... Read the Article 1 7 Activity Info
Alcohol Use Disorder Alcohol use disorder is very common in the United States. The cause of alcohol use disorder is not well understood; however, several factors are thou ... Read the Article 1.75 23 Activity Info
Alcohol Withdrawal Alcohol withdrawal symptoms usually appear when an individual discontinues or reduces alcohol intake after a period of prolonged consumption. In most ... Read the Article 1.5 17 Activity Info
Alcoholic Cardiomyopathy Alcoholic cardiomyopathy (ACM) is a cardiac disease caused by chronic alcohol consumption. It is characterized by ventricular dilation and impairment ... Read the Article 1 7 Activity Info
Alcoholic Hepatitis Alcoholic hepatitis is a severe syndrome related to alcoholic liver disease. It is characterized by rapid onset of jaundice, malaise, tender hepatomeg ... Read the Article 1 5 Activity Info
Alcoholic Ketoacidosis Alcoholic ketoacidosis (AKA) is a condition seen commonly in patients with alcohol use disorder or after a bout of heavy drinking. It is a clinical di ... Read the Article 1 5 Activity Info
Alcoholic Liver Disease The first stage of alcoholic liver disease is hepatic steatosis, which involves the accumulation of small fat droplets under liver cells approaching t ... Read the Article 1.5 13 Activity Info
Alcoholic Pancreatitis Pancreatitis is defined as inflammation of the pancreas, leading to damage and dysfunction of the retroperitoneal organ. It can be classified as Acute ... Read the Article 1.25 8 Activity Info
Alkali Toxicity Alkali toxicity, though rare, can lead to serious medical problems. Adult caustic ingestions are usually intentional, involving more substantial amou ... Read the Article 1 4 Activity Info
Allen Test The Allen test is used to assess collateral blood flow to the hands, generally in preparation for a procedure that has the potential to disrupt blood ... Read the Article 1 4 Activity Info
Allergic Conjunctivitis Allergic conjunctivitis is encountered in up to 40 percent of the population, but only a small proportion of affected individuals seek medical help. I ... Read the Article 1 5 Activity Info
Allergic Contact Dermatitis Allergic contact dermatitis (ACD) is a type 4 or delayed-type hypersensitivity response (DTH) by an individual’s immune system to a small molecule (le ... Read the Article 1 6 Activity Info
Allergic Rhinitis Allergic rhinitis (AR) is an atopic disease presenting with symptoms of sneezing, nasal congestion, clear rhinorrhea, and nasal pruritis. It is an IgE ... Read the Article 1.25 10 Activity Info
Allergy Allergy is described as an exaggerated response from the body’s immune system to otherwise inert substances present in the environment. The usual symp ... Read the Article 1.25 11 Activity Info
Alpha Blockers Alpha-blockers are medications used in the management and treatment of essential hypertension, benign prostatic hyperplasia (BPH), and pheochromocytom ... Read the Article 1 5 Activity Info
Alpha Receptor Agonist Toxicity Alpha-adrenergic agonist toxicity is due to a broad group of pharmaceutical agents known as alpha agonists, which can be further broken down into cent ... Read the Article 1 4 Activity Info
Alprazolam Alprazolam, known by various trade names, is the most commonly prescribed psychotropic medication in the United States. Alprazolam is frequently presc ... Read the Article 1 5 Activity Info
Alteplase Alteplase is a thrombolytic agent that is manufactured by recombinant DNA technology. It is FDA approved for use in acute ischemic stroke, pulmonary e ... Read the Article 1 6 Activity Info
Aluminum Hydroxide Aluminum hydroxide is a medication used in the management and treatment of acid indigestion. It is in the antacid class of drugs. This activity outlin ... Read the Article 1 7 Activity Info
Amatoxin Mushroom Toxicity Amatoxin containing mushrooms are a rare but significant cause of acute fulminant liver failure. However, not all Amanita species have this toxin, and ... Read the Article 1 4 Activity Info
Amaurosis Fugax The term amaurosis fugax is often used interchangeably to describe transient visual loss (TVL). However, it is employed widely in medicine to refer to ... Read the Article 1 7 Activity Info
Amebiasis Amebiasis or amoebic dysentery is a parasitic intestinal infection caused by any of the amoebas of the Entamoeba group. It may be asymptomatic or pres ... Read the Article 1 6 Activity Info
Amebic Colitis Amebic colitis results from invasive infection of the colonic mucosa by Entamoeba histolytica (E. histolytica). Losch first reported disease due to E. ... Read the Article 1.25 8 Activity Info
Amebic Liver Abscess Amebic liver abscess is the most common extra-intestinal manifestation of the protozoan, Entamoeba histolytica. The life cycle involves consumption of ... Read the Article 1.25 9 Activity Info
Aminocaproic Acid Aminocaproic acid, an antifibrinolytic agent, is a medication used to manage and treat acute bleeding disorders. This activity outlines the indication ... Read the Article 1 5 Activity Info
Amiodarone Amiodarone is one of the most commonly used anti-arrhythmic drugs. While the United States FDA has labeled amiodarone for the treatment of life-threat ... Read the Article 1 6 Activity Info
Amitriptyline Amitriptyline is FDA approved medication to treat depression in adults. The Non-FDA approved indications are anxiety, post-traumatic stress disorder, ... Read the Article 1.25 8 Activity Info
Ammonia Toxicity Ammonia toxicity occurs when susceptible individuals suffer exposure to external sources of ammonia via ingestion, inhalation, direct contact with ski ... Read the Article 1 4 Activity Info
Amniotic Fluid Embolism Amniotic fluid embolism (AFE) is a rare entity, but one which has very high mortality and morbidity rates. This article will explain the clinical pres ... Read the Article 1.25 9 Activity Info
Amoxicillin Clavulanate Amoxicillin-clavulanate is a mainstay antibiotic in emergency departments and primary care offices throughout the country. It is a combination of two ... Read the Article 1.25 8 Activity Info
Amphetamine Amphetamine is a medication used in the management and treatment of ADHD and narcolepsy. It is classified as a central nervous system stimulant. This ... Read the Article 1 5 Activity Info
Amphetamine Related Psychiatric Disorders Amphetamines belong to a class of compounds called phenethylamines which induce catecholaminergic effects in the CNS and peripheral circulation. Recre ... Read the Article 1 6 Activity Info
Amphetamine Toxicity Amphetamine abuse is widespread, and overdose is associated with significant and negative impacts on the cardiovascular and neurological systems. Pati ... Read the Article 1 8 Activity Info
Anaerobic Infections Anaerobic bacteria are part of the normal flora of human skin and mucosal membranes. The site of anaerobic infection is commonly the site of normal co ... Read the Article 1 5 Activity Info
Anal Fissures An anal fissure is a superficial tear in the skin distal to the dentate line. Anal fissures are common in those with a history of constipation or hard ... Read the Article 1.25 12 Activity Info
Anaphylaxis Anaphylaxis is an acute, life-threatening hypersensitivity disorder, defined as a generalized, rapidly evolving, multi-systemic allergic reaction. Ana ... Read the Article 1.75 24 Activity Info
Andexanet Alfa Andexanet alfa is a recombinant modified Factor Xa protein approved by the FDA in May 2018 to reverse apixaban and rivaroxaban in patients with life-t ... Read the Article 1 5 Activity Info
Anemia Anemia is a reduction in hemoglobin (Hb) or hematocrit (HCT) or RBC count. It is a presentation of an underlying condition and can be subdivided into ... Read the Article 1.25 10 Activity Info
Angina Angina is the most common symptom of ischemic heart disease, which is the major cause of morbidity and mortality worldwide. Approximately 9 million pa ... Read the Article 1.5 18 Activity Info
Angiodysplasia Angiodysplasia is an abnormal, tortuous, dilated small blood vessel in the mucosal and submucosal layers of the GI tract. It is the most common vascul ... Read the Article 1.25 11 Activity Info
Angioedema Angioedema is non-pitting edema that involves subcutaneous and/or submucosal layers of tissue that affects the face, lips, neck, and extremities, oral ... Read the Article 1 7 Activity Info
Angiotensin II Angiotensin is a peptide endocrine hormone and an important part of the renin-angiotensin-aldosterone system, an inter-related endocrine system import ... Read the Article 1.25 9 Activity Info
Animal Bites Animal bites account for approximately one percent of all emergency visits in the U.S. yearly and can range from superficial injuries to disfiguring a ... Read the Article 1.25 9 Activity Info
Anisocoria Anisocoria is a condition characterized by unequal pupil size. The etiology of anisocoria is complex, ranging from benign to potentially life-threaten ... Read the Article 1 6 Activity Info
Ankle Brachial Index The ankle-brachial index (ABI) is a non-invasive tool for the assessment of vascular status. It consists of the ratio between the systolic blood press ... Read the Article 1 6 Activity Info
Ankle Dislocation An ankle dislocation occurs when there is an abnormal separation between the talo-tibial joint. This most often occurs concomitantly with an ankle fra ... Read the Article 1.25 9 Activity Info
Ankle Fractures Acute ankle fractures can affect many different structures. Classification systems can help delineate the mechanism of injury and the structures damag ... Read the Article 1.5 14 Activity Info
Ankle Splinting Splinting is primarily used to immobilize a joint to allow for pain control, injury stabilization, and ultimately tissue healing. In the acute setting ... Read the Article 1.25 7 Activity Info
Ankylosing Spondylitis Ankylosing spondylitis (AS) is a chronic, inflammatory disease of the axial spine. Chronic back pain and progressive spinal stiffness are the most com ... Read the Article 2.25 37 Activity Info
Anorexia Nervosa Anorexia nervosa is defined by the restriction of nutrient intake relative to requirements, which leads to significantly low body weight. Patients wit ... Read the Article 1.75 22 Activity Info
Anoscopy Anoscopy is a bedside procedure that is inexpensive and can be performed quickly without bowel preparation or sedation. With this method, the examiner ... Read the Article 1 5 Activity Info
Anovulatory Bleeding Abnormal uterine bleeding due to ovulatory dysfunction causes irregular and often heavy menses. This condition, if left untreated, can have a signific ... Read the Article 1 6 Activity Info
Anoxic Encephalopathy Anoxic encephalopathy, or hypoxic-ischemic brain injury, is a process that begins with the cessation of cerebral blood flow to brain tissue, which mos ... Read the Article 1.5 16 Activity Info
Anterior Cerebral Artery Stroke Anterior cerebral artery strokes occur in the territory of the anterior cerebral artery which involves the superior and medial part of the parietal lo ... Read the Article 1.25 12 Activity Info
Anterior Cord Syndrome Anterior cord syndrome is an incomplete cord syndrome that predominantly affects the anterior 2/3 of the spinal cord, characteristically resulting in ... Read the Article 1 5 Activity Info
Anterior Cruciate Ligament Knee Injuries The anterior cruciate ligament is one of the two cruciate ligaments that aids in stabilizing the knee joint. It is the most commonly injured ligament ... Read the Article 1.5 14 Activity Info
Anterior Elbow Dislocation The elbow is one of the most common large joints to be dislocated. Anterior elbow dislocations are rare due to the high force and position necessary t ... Read the Article 1 5 Activity Info
Anterior Epistaxis Nasal Pack Among the nasal emergencies, epistaxis is one of the most common chief complaints in patients presenting to the emergency department. Typically, anter ... Read the Article 1 4 Activity Info
Anterior Glenohumeral Joint Dislocation Anterior glenohumeral joint dislocations are the most commonly encountered joint dislocations. They can be the result of low or high-energy trauma. Th ... Read the Article 1.25 8 Activity Info
Anterior Hip Dislocation Anterior hip dislocations are usually caused by forceful abduction with external rotation of the thigh and most commonly following a motor vehicle acc ... Read the Article 1 5 Activity Info
Anterior Myocardial Infarction Anterior myocardial infarction (AMI) is a common heart disease associated with significant mortality and morbidity. Advancement in diagnosis and treat ... Read the Article 1 7 Activity Info
Anterior Spinal Artery Syndrome The anterior spinal artery syndrome refers to ischemic infarction of the spinal cord resulting from direct occlusion of the anterior spinal artery, ar ... Read the Article 1 5 Activity Info
Anteroseptal Myocardial Infarction Anteroseptal myocardial infarctions are commonly caused by the rupture of an unstable atherosclerotic plaque in the left anterior descending artery. D ... Read the Article 1 6 Activity Info
Anthrax Anthrax is an infectious disease caused by an encapsulated, spore-forming, gram-variable bacteria called Bacillus anthracis. This commonly presents wi ... Read the Article 1 6 Activity Info
Anthrax Infection Anthrax is a spore-forming rod that is readily found in soil in tropical environments. Anthrax has many features that make it an optimal biologic weap ... Read the Article 1 6 Activity Info
Antiarrhythmic Medications The antiarrhythmic medications have typically been categorized according to the Vaughan-Williams (VW) classification system. The system classifies the ... Read the Article 1.5 15 Activity Info
Antibiotic Resistance Antibiotics are powerful drugs that are used to combat once fatal diseases. As with any powerful medication, antibiotics carry a wide range of adverse ... Read the Article 1 5 Activity Info
Anticholinergic Toxicity Anticholinergic toxicity is commonly seen in the emergency department but is rarely fatal. According to the 2015 annual American Association of Poison ... Read the Article 1 7 Activity Info
Anticoagulation This activity reviews the general principles in anticoagulation therapy, with highlights on the different types, indications, and perioperative impact ... Read the Article 1 5 Activity Info
Anticoagulation Safety One class of drugs that has been implicated in serious adverse drugs reactions for many decades are the oral anticoagulants, especially warfarin. Ther ... Read the Article 1.25 7 Activity Info
Anticonvulsants Toxicity Anticonvulsants, or antiepileptics, are an ever-growing class of medications that act through multiple different mechanisms to control seizures. Antie ... Read the Article 1 4 Activity Info
Antidotes Overdoses and accidental ingestions or exposures are common throughout the world. With more than 2.4 million toxic exposures each year, poisoning is ... Read the Article 1 5 Activity Info
Antiemetic Histamine H1 Receptor Blockers First-generation antihistamines have several indications that primarily include nausea and vomiting secondary to motion sickness and vertigo, but seco ... Read the Article 1 5 Activity Info
Antiemetic Medications Nausea is a commonly encountered symptom in healthcare, one that is difficult for any patient. Causes may be as simple as the body's defense against a ... Read the Article 1.25 9 Activity Info
Antiemetic Serotonin-5-HT3 Receptor Blockers Selective serotonin receptor (5-HT3) antagonists block serotonin both peripherally, on gastrointestinal (GI) vagal nerve terminals, and centrally in t ... Read the Article 1 8 Activity Info
Antiepileptic Drug Monitoring Antiepileptic drug-level monitoring has been a common clinical practice since the advent of antiepileptic drugs (AEDs). The practice of maintaining AE ... Read the Article 1 6 Activity Info
Antifungal Antibiotics Fungi are unicellular or multi-cellular eukaryotic organisms that exist in all environments worldwide. While most fungi do not play a significant role ... Read the Article 1.5 12 Activity Info
Antihistamine Toxicity In 1943, as the planet was engulfed in WWII and the United States was officially announcing the end of The Great Depression, the most common modern an ... Read the Article 1 4 Activity Info
Antihistamines Antihistamines are a pharmaceutical class of drugs that act to treat histamine-mediated conditions. There are two main classes of histamine receptors: ... Read the Article 1.25 9 Activity Info
Antiphospholipid Syndrome Antiphospholipid antibodies are autoantibodies that are directed against phospholipid-binding proteins. Antiphospholipid syndrome (APLS) is characteri ... Read the Article 1.25 9 Activity Info
Antiplatelet Drug Toxicity Antiplatelet medications are primarily used for the management and prevention of cardiovascular disease (CVD) related events. Currently, there are fou ... Read the Article 1 5 Activity Info
Antiplatelet Medications Over time, numerous antiplatelet agents have been developed with a multitude of indications. Antiplatelet medications divide into oral and parenteral ... Read the Article 1 6 Activity Info
Anxiolytics and Sedative-Hypnotics Toxicity Anxiolytics and sedative-hypnotics are widely consumed at home and in a hospital setting. This activity reviews the most commonly used agents of these ... Read the Article 1 7 Activity Info
Aortic Dissection While uncommon, acute aortic dissection is an infrequent but catastrophic disorder. Patients present with tearing chest pain that radiates to the back ... Read the Article 2 29 Activity Info
Aortic Insufficiency A normal aortic valve is comprised of three semilunar cusps that attach to the aortic wall. Aortic regurgitation (AR), also known as aortic insufficie ... Read the Article 1.25 11 Activity Info
Aortic Regurgitation Aortic regurgitation is the inadequate closure of the aortic valve during diastole that results in reverse blood flow through the aortic valve. This c ... Read the Article 1.75 24 Activity Info
Aortic Stenosis Aortic stenosis is a common valvular disorder, especially in the elderly population, causing left ventricular outflow obstruction. Etiologies include ... Read the Article 1.75 20 Activity Info
Aortic Transection Aortic transection is an injury encountered with blunt thoracic trauma with substantial morbidity and mortality. Many patients with aortic transection ... Read the Article 1 6 Activity Info
Aortic Trauma Aortic injury is one of the most time-sensitive, life-threatening conditions. It is second only to head injury as a global leading cause of death. Mos ... Read the Article 1.25 11 Activity Info
Aortic Valve Disease Aortic valve disease consists of both regurgitations comprising retrograde flow throw the aortic valve and stenosis or narrowing of the orifice limiti ... Read the Article 1 6 Activity Info
Aortic Valve Endocarditis Infective endocarditis occurs globally and is defined by the infection of the endocardial surface of the native valve, prosthetic heart valve, or an i ... Read the Article 1 5 Activity Info
Aortocaval Compression Syndrome Aortocaval compression syndrome is also known as a supine hypotensive syndrome. It typically occurs in pregnant females, usually after 20 weeks of ges ... Read the Article 1 4 Activity Info
Aortoenterofistula Aortoenteric fistulas are a deadly condition that can occur when the wall of the aorta erodes into the adjacent gastrointestinal system, which can lea ... Read the Article 1 5 Activity Info
Aortoiliac Occlusive Disease The aortoiliac occlusive disease is defined by atherosclerotic blockage of the distal abdominal aorta and iliac arteries. Patients commonly present wi ... Read the Article 1 5 Activity Info
Aphasia Aphasia is an impairment of language caused by damage to the language area of the brain, primarily Broca and Wernicke areas. Injury to the brain can b ... Read the Article 1.25 12 Activity Info
Aphthous Stomatitis Aphthous stomatitis is a common ailment, idiopathic in nature, with recurrent painful aphthous ulcers (commonly termed “canker sores”) on the non-kera ... Read the Article 1 7 Activity Info
Apixaban Apixaban is a novel oral anticoagulant (NOAC) approved by the US Food and Drug Administration (FDA) in 2012 for use in patients with non-valvular atri ... Read the Article 1.25 8 Activity Info
Aplastic Anemia Aplastic anemia refers to the syndrome of chronic primary hematopoietic failure from injury leading to diminished or absent hematopoietic precursors i ... Read the Article 1.25 12 Activity Info
Apnea In Children Apnea can be defined as the cessation of respiratory effort lasting more than 20 seconds, or lasting a shorter duration but accompanied by bradycardia ... Read the Article 1 7 Activity Info
Appendicitis Appendicitis is the inflammation of the vermiform appendix. It typically presents acutely, within 24 hours of onset, but can also present as a more ch ... Read the Article 2 28 Activity Info
Appendicitis in Pregnancy Appendicitis during pregnancy is a condition in which the appendix becomes inflamed and infected. Its treatment consists of emergent surgery for the r ... Read the Article 1.25 7 Activity Info
Appendix Testes Torsion Torsion of testicular appendages is considered one of, if not the most common cause of acute scrotal pain in prepubertal children and should be includ ... Read the Article 1 7 Activity Info
Arachnoiditis Arachnoiditis is a persistent inflammation of the arachnoid mater as well as subarachnoid space due to mechanical, chemical, and infectious injuries. ... Read the Article 1 5 Activity Info
Argyll Robertson Pupil Argyll Robertson pupil describes the physical exam finding of bilaterally small pupils that do not constrict when exposed to bright light but do const ... Read the Article 1 8 Activity Info
Aromatic Toxicity Hydrocarbons are organic compounds consisting of carbon and hydrogen atoms. Toluene and benzene can be found in products such as gasoline, nail polis ... Read the Article 1 5 Activity Info
Arrhythmias Arrhythmia entails a broad spectrum of disorders of heart rate and rhythm abnormalities. Arrhythmia is broadly categorized into bradyarrhythmias and t ... Read the Article 1 6 Activity Info
Arsenic Toxicity Arsenic poisoning is a global health issue affecting millions of people worldwide through environmental and occupational exposure, as well as intentio ... Read the Article 1.25 8 Activity Info
Arterial Gas Embolism Arterial gas embolism is a rare, life-threatening entity, which requires prompt recognition and early intervention. Failure to diagnose and initiate e ... Read the Article 1 6 Activity Info
Arteriovenous Malformations Arteriovenous malformations (AVMs) are abnormal fistulas between arteries and veins without an intervening capillary bed. High arterial flow directly ... Read the Article 1.25 9 Activity Info
Artery Cannulation Arterial cannulation is a procedure frequently performed in acute and critical care settings. It serves as an invasive means to more accurately measur ... Read the Article 1 6 Activity Info
Arthritis Arthritis is defined as an acute or chronic joint inflammation in the joint. Arthritis may attribute to a wide variety of symptoms that include pain, ... Read the Article 1.75 19 Activity Info
Arthrocentesis Arthrocentesis is a procedure that is performed to obtain synovial fluid from within a joint capsule, both for diagnostic and for therapeutic purposes ... Read the Article 1 7 Activity Info
Ascites Ascites is the pathologic accumulation of fluid within the peritoneal cavity. It is the most common complication of cirrhosis and occurs in about 50% ... Read the Article 1.5 16 Activity Info
Aseptic Meningitis Aseptic meningitis is an umbrella term for all of the causes of inflammation of the brain meninges that have negative cerebrospinal fluid (CSF) bacter ... Read the Article 1 5 Activity Info
Aspergillosis Aspergillosis is a disease caused by the fungus Aspergillus. It mostly occurs in the form of chronic pulmonary aspergillosis (CPA), aspergilloma or al ... Read the Article 1.25 12 Activity Info
Aspergillus Fumigatus Aspergillus is a ubiquitous saprophyte in nature found in air, soil and organic matter. Humans normally inhale the spore form of the fungi. However, t ... Read the Article 1.25 9 Activity Info
Aspiration Pneumonia The infectious pulmonary process that occurs after abnormal entry of fluids into the lower respiratory tract is termed aspiration pneumonia. The aspir ... Read the Article 1.5 19 Activity Info
Aspiration Risk Aspiration is common, even in healthy patients. Aspiration can have significant morbidity and mortality in certain circumstances. It is categorized ba ... Read the Article 1 2 Activity Info
Asplenia Asplenia means the absence of a spleen. Asplenia can occur in a variety of clinical settings, and it can refer to an anatomic absence of the spleen or ... Read the Article 1 5 Activity Info
Asthma Asthma is a chronic disease of the air passages characterized by inflammation and narrowing of the airways. Symptoms of asthma include shortness of br ... Read the Article 2.25 32 Activity Info
Asthma Medications Asthma is a wide-reaching, chronic inflammatory illness that impacts millions of people daily. It is frequently responsible for unscheduled healthcare ... Read the Article 1 5 Activity Info
Asystole Asystole, colloquially referred to as flatline, represents the cessation of electrical and mechanical activity of the heart. Asystole typically occurs ... Read the Article 1.25 8 Activity Info
Ataxia Ataxia is a neurological sign that manifests in a lack of coordination in the movement of different muscles in the body. It is a clinical finding and ... Read the Article 1 5 Activity Info
Atlantoaxial Instability The atlantoaxial segment consists of the atlas (C1) and axis (C2) and forms a complex transitional structure bridging the occiput and cervical spine. ... Read the Article 1.25 9 Activity Info
Atopy Atopy is a predisposition to an immune response against diverse antigens and allergens leading to CD4+ Th2 differentiation and overproduction of immun ... Read the Article 1 4 Activity Info
Atrial Fibrillation Atrial fibrillation is the most common type of cardiac arrhythmia. It is the leading cardiac cause of stroke. Risk factors for atrial fibrillation inc ... Read the Article 2.5 39 Activity Info
Atrial Flutter Atrial flutter, a supraventricular arrhythmia, is one of the most common rhythm disturbances of the heart. It is characterized by a fast atrial rate w ... Read the Article 1.25 8 Activity Info
Atrial Tachycardia A focal atrial tachycardia is an arrhythmia with electrical impulses originating and confined within the atria. Focal tachycardia typically occurs in ... Read the Article 1 5 Activity Info
Atrioventricular Block Atrioventricular (AV) conduction is evaluated by assessing the relationship between the P waves and QRS complexes. Normally, there is a P wave that pr ... Read the Article 1.25 9 Activity Info
Atrioventricular Block Second-Degree A delay in conduction between the atria and ventricles results in an atrioventricular conduction block. This is indicated by a prolongation of the PR ... Read the Article 1 7 Activity Info
Atrioventricular Dissociation Atrioventricular dissociation is a cardiac conduction defect where the atria and ventricles beat independently of each other. It can occur due to vari ... Read the Article 1 5 Activity Info
Atrioventricular Nodal Reentry Tachycardia Atrioventricular nodal reentrant tachycardia (AVNRT) is a type of paroxysmal supraventricular tachycardia that results due to the presence of a re-ent ... Read the Article 1.25 10 Activity Info
Atropine Atropine or atropine sulfate carries FDA indications for anti-sialagogue/anti-vagal effect, organophosphate/muscarinic poisoning, and bradycardia. Atr ... Read the Article 1.25 11 Activity Info
Atypical Antipsychotic Agents In recent years, the atypical antipsychotics or second-generation antipsychotics have become the drugs of choice for acute psychoses. They are “atypic ... Read the Article 1 5 Activity Info
Atypical Bacterial Pneumonia Pneumonia is a lower respiratory tract infection, specifically involving the pulmonary parenchyma. Viruses, fungi and bacteria can cause pneumonia. Th ... Read the Article 1 4 Activity Info
Auditory Hallucinations Auditory hallucinations are the sensory perceptions of hearing noises without an external stimulus. This symptom is particularly associated with schiz ... Read the Article 1 5 Activity Info
Auricular Hematoma An auricular hematoma is a collection of blood underneath the perichondrium of the ear and typically occurs secondary to trauma. Auricular deformity, ... Read the Article 1 4 Activity Info
Austin Flint Murmur American physician Austin Flint first described his namesake murmur in 1862. In his own poetic words: "The murmur is oftener rough than soft. The roug ... Read the Article 1 6 Activity Info
Automatic Internal Cardiac Defibrillator The automated internal cardiac defibrillator or shock box is the common name given to the Implantable Cardioverter Defibrillator (ICD). ICD is a state ... Read the Article 1 7 Activity Info
Autonomic Dysfunction The autonomic nervous system (ANS) includes all regions implicated in the control of autonomic, unconscious, and involuntary functions in total body h ... Read the Article 1.25 8 Activity Info
Autonomic Dysreflexia Autonomic dysreflexia is a condition that emerges after a spinal cord injury, usually when the injury has occurred above the T6 level. The higher the ... Read the Article 1.25 9 Activity Info
Autotransfusion Autotransfusion has not always been a safe procedure. The first known documented procedure of autotransfusion was performed in 1818 by Dr. James Blund ... Read the Article 1 5 Activity Info
Avascular Necrosis Osteonecrosis is a degenerative bone condition characterized by death of cellular components of bone secondary to an interruption of the subchondral b ... Read the Article 1.75 23 Activity Info
Avian Influenza Avian influenza is a deadly disease caused by infection from an influenza virus native to birds. While often not fatal in birds, it can carry a high m ... Read the Article 1 5 Activity Info
Avulsed Tooth Dentoalveolar trauma injuries are caused by an external impact on the teeth, palate, mandible, maxilla, and gingiva. These injuries can result in anyt ... Read the Article 1.5 16 Activity Info
Avulsion Fractures Avulsion fractures can happen anywhere in the body where soft tissue attaches to the bone. The failure of bone most commonly results from an acute eve ... Read the Article 1.25 7 Activity Info
Axillary Nerve Injury Peripheral nerve injury can vary wildly in severity and presentation, ranging from mild soreness to severe muscle weakness. Axillary nerve injuries ty ... Read the Article 1 5 Activity Info
Azithromycin Azithromycin is an antimicrobial medication used to treat and manage bacterial infections, including community-acquired pneumonia and sexually transmi ... Read the Article 1 6 Activity Info
Babinski Reflex The Babinski reflex was described by the neurologist Joseph Babinski in 1899. Since that time, it has been incorporated into the standard neurological ... Read the Article 1 6 Activity Info
Bacillus Cereus Bacillus cereus is a facultatively anaerobic, toxin-producing gram-positive bacterium found in soil, vegetation, and food. It commonly causes intestin ... Read the Article 1 6 Activity Info
Back Pain Back pain is one of the most common causes for patients to seek emergency care. It has a broad range of potential etiologies for both adult and pediat ... Read the Article 1.5 16 Activity Info
Baclofen Baclofen is used to treat muscle spasticity; it is FDA-approved for the management of reversible spasticity, particularly for the relief of flexor spa ... Read the Article 1 6 Activity Info
Bacterial Acute Prostatitis Bacterial prostatitis (BP) is an infection of the prostate gland occurring in a bimodal distribution in younger and older men. It can be acute (ABP) o ... Read the Article 1 7 Activity Info
Bacterial Conjunctivitis Conjunctivitis, also informally known as "pink eye," makes up the majority of ophthalmologic disorders seen at primary care clinics. Patients present ... Read the Article 1.25 8 Activity Info
Bacterial Diarrhea Diarrhea consists of the passage of watery and loose stools multiple times a day (usually more than 3), though specific definitions may vary when appl ... Read the Article 1.75 20 Activity Info
Bacterial Endocarditis Bacterial endocarditis refers to infection of the endocardial surface of the heart. It usually involves heart valves, but it can occur on the endocard ... Read the Article 1 7 Activity Info
Bacterial Gastroenteritis Gastroenteritis is a diarrheal disease characterized by an increase in bowel movement frequency with or without fever, vomiting, and abdominal pain. T ... Read the Article 1 4 Activity Info
Bacterial Keratitis Bacterial keratitis or corneal ulcer is a common sight-threatening ocular corneal pathology. In some cases, there is rapidly progressive stromal infla ... Read the Article 1 5 Activity Info
Bacterial Meningitis Bacterial meningitis is an infection of the meninges that results in inflammation. It is a serious and life-threatening condition that requires prompt ... Read the Article 1.5 18 Activity Info
Bacterial Pharyngitis Pharyngitis, more commonly described as sore throat, represents inflammation or irritation of the posterior oropharynx. While the majority of cases ar ... Read the Article 1.25 7 Activity Info
Bacterial Pneumonia The word "pneumonia" originates from the ancient Greek word "pneumon," which means "lung," so the word "pneumonia" becomes "lung disease." Medically i ... Read the Article 2 27 Activity Info
Bacterial Sepsis Bacterial sepsis is a life-threatening condition that arises when the body's response to an infection injures its tissues and organs. Sepsis is caused ... Read the Article 1.25 9 Activity Info
Bacterial Tracheitis Bacterial tracheitis, also known as bacterial croup, acute laryngotracheobronchitis, or membranous croup, is a potentially lethal infection of the sub ... Read the Article 1 6 Activity Info
Bacterial Vaginosis Bacterial vaginosis is a condition caused by an overgrowth of normal vaginal flora. Most commonly, this presents clinically with increased vaginal dis ... Read the Article 1.25 10 Activity Info
Bacteroides Fragilis The human colon possesses the largest population of bacteria in the body, and the majority of these organisms are anaerobes; of these, about 25 percen ... Read the Article 1 7 Activity Info
Bacteruria Bacteriuria is the presence of bacteria in the urine and can be classified as symptomatic or asymptomatic. A patient with asymptomatic bacteriuria is ... Read the Article 1 5 Activity Info
Bag Mask Ventilation Bag valve mask ventilation is a difficult skill to master. This activity explains how to improve this skill. This activity describes the technique of ... Read the Article 1 5 Activity Info
Baker's Cyst A Baker's cyst is a fluid-filled sac that forms in the popliteal fossa, which is located on the posterior aspect of the knee. In adults, Baker's cysts ... Read the Article 1 4 Activity Info
Balanitis Balanitis is an inflammation of the glans penis. Men with balanitis often present with penile pain and erythema. This activity explains the risk facto ... Read the Article 1 5 Activity Info
Balanoposthitis Balanoposthitis is a common disease process involving the glans penis and prepuce. It affects up to 12% to 20% of pediatric and adult males. This acti ... Read the Article 1 5 Activity Info
Barbiturate Toxicity Barbiturates are a class of sedative-hypnotic drugs. They are commonly used as antiepileptics (phenobarbital) and for the induction of general anesthe ... Read the Article 1 6 Activity Info
Barium Swallow The barium swallow study, also known as a barium esophagogram or esophagram, is a contrast-enhanced radiographic study commonly used to assess structu ... Read the Article 1 5 Activity Info
Barosinusitis Barosinusitis is an uncommon entity that is rarely described within the otolaryngology literature. It is generally affiliated with pilots and scuba di ... Read the Article 1 6 Activity Info
Barotrauma Barotrauma is physical tissue damage caused by a pressure difference between an unvented space inside the body and surrounding gas or fluid. The damag ... Read the Article 1.25 8 Activity Info
Barotrauma And Mechanical Ventilation Pulmonary barotrauma is a potentially life-threatening complication in patients on mechanical ventilation. It is important to recognize and quickly ac ... Read the Article 1.25 11 Activity Info
Bartholin Gland Cyst A Bartholin gland cyst is usually a unilateral, asymptomatic blockage of the Bartholin gland that may be incidentally discovered during a pelvic exam ... Read the Article 1.25 8 Activity Info
Basilar Artery Infarct The basilar artery (BA) is formed over the surface of pons by two vertebral arteries to supply the critical areas of the brain and brainstem. Anatomic ... Read the Article 1 5 Activity Info
Basilar Artery Thrombosis The basilar artery is formed by the convergence of the vertebral arteries at the junction of the pons and medulla. It provides oxygen-rich blood to th ... Read the Article 1 6 Activity Info
Basilar Migraine A migraine with predominant brainstem aura symptoms is known as a basilar migraine. Bickerstaff first described it in 1961. Other names for it are bas ... Read the Article 1 7 Activity Info
Basilar Skull Fractures Basilar skull fractures, usually caused by substantial blunt force trauma, involve at least one of the bones that compose the base of the skull. Basil ... Read the Article 1 7 Activity Info
Battle Sign Battle sign is bruising over the mastoid process that is typically the result of head trauma. Battle sign typically requires significant head trauma a ... Read the Article 1 5 Activity Info
Behcet Disease Behcet disease, also known as an oculo-orogenital syndrome, is a chronic remitting and relapsing inflammatory disorder characterized by recurrent oral ... Read the Article 1.25 9 Activity Info
Bell Palsy Bell palsy is the most common peripheral paralysis of the seventh cranial nerve with an onset that is rapid and unilateral. This is an idiopathic cond ... Read the Article 1.5 16 Activity Info
Benign Paroxysmal Positional Vertigo Vertigo is the perception of motion in the absence of motion, which may be described as a sensation of swaying, tilting, spinning, or feeling unbalanc ... Read the Article 1 6 Activity Info
Benzodiazepine Toxicity Since the 1960s, with the development of chlordiazepoxide and shortly thereafter diazepam, benzodiazepines quickly became popular medications secondar ... Read the Article 1.25 12 Activity Info
Benztropine Benztropine is FDA approved as adjunctive therapy for all forms of parkinsonism. It is also used for drug-induced extrapyramidal symptoms and the prev ... Read the Article 1 5 Activity Info
Berry Aneurysm Berry (saccular) aneurysms are the most common type of intracranial aneurysm, representing 90% of cerebral aneurysms. Generally speaking, there is a b ... Read the Article 1 4 Activity Info
Beta Blockers Beta-blockers, as a class of drugs, are primarily used to treat cardiovascular diseases and other conditions. Beta-blockers are indicated and have FDA ... Read the Article 1.25 9 Activity Info
Beta-Blocker Toxicity Beta-blockers antagonize beta-adrenergic receptors and are used mainly in the treatment of hypertension, heart failure, tachydysrhythmias, and angina ... Read the Article 1 5 Activity Info
Biceps Tendon Rupture The biceps tendon consists of 2 heads originating from the coracoid process (short head) and supraglenoid tubercle of the scapula (long head). The ten ... Read the Article 1.25 10 Activity Info
Biceps Tendon Rupture of the Lower Limb Rupture of the biceps femoris tendon can be treated conservatively or surgically, depending on the severity of the tendon retraction. Most of the pati ... Read the Article 1.25 8 Activity Info
Biceps Tendon Sheath Injection Shoulder pain is a common patient complaint encountered both by primary care physicians and orthopedic surgeons. Many shoulder structures can account ... Read the Article 1 6 Activity Info
Biliary Colic Biliary colic is defined as pain in the abdomen, due to obstruction usually by stones in the cystic duct or common bile duct of the biliary tree. It t ... Read the Article 1 6 Activity Info
Biliary Obstruction Biliary obstruction refers to the impairment of bile flow from the liver to the small intestine due to blockage of the biliary duct system. Bile obstr ... Read the Article 1.25 7 Activity Info
Bimalleolar Ankle Fractures A bimalleolar fracture is a fracture of the lateral malleolus and the medial malleolus. This fracture is a bimodal distribution, most likely affects o ... Read the Article 1 5 Activity Info
Biologic Warfare Agent Toxicity Biological warfare agents include bacteria, viruses, fungi, and biological toxins. Some agents are frequently lethal, while others are intended to cau ... Read the Article 1.25 8 Activity Info
Biologic, Chemical, and Radiation Terrorism Review Terrorism is the intentional use of indiscriminate violence to create fear and terror as a means to achieve an ideological, financial, religious, or p ... Read the Article 1.5 10 Activity Info
Bipolar Affective Disorder Bipolar affective disorder is a chronic and complex disorder of mood that is characterized by a combination of manic (bipolar mania), hypomanic and de ... Read the Article 1.5 18 Activity Info
Bisoprolol Bisoprolol is a medication used in the management and treatment of hypertension and congestive heart failure. It is in the selective beta-blocker clas ... Read the Article 1 5 Activity Info
Bisphosphonate Toxicity In the second half of the 20th century, bisphosphonates have emerged as a novel treatment for bone metabolism disorders. Currently, bisphosphonates ar ... Read the Article 1 7 Activity Info
Black Widow Spider Toxicity The black widow spider species, also known by its biological nomenclature as the Latrodectus species is one of more than 40,000 different species of s ... Read the Article 1 5 Activity Info
Bladder Cancer Bladder cancer is any neoplasm that arises from the urinary bladder. It is the most common urinary tract neoplasm, with urothelial carcinoma (UC) bein ... Read the Article 1.25 9 Activity Info
Bladder Catheterization Bladder catheterization is a commonly performed procedure in all hospitals. It can be performed by external, urethral, and suprapubic techniques. It i ... Read the Article 1 7 Activity Info
Bladder Rupture Bladder rupture is most commonly due to abdominal or pelvic trauma but may be spontaneous or iatrogenic in association with surgical or endoscopic pro ... Read the Article 1 6 Activity Info
Bladder Stones Bladder stones are solid calculi that are primarily found in the urinary bladder. While often calcified, they may also be composed of non-calcific mat ... Read the Article 1 5 Activity Info
Bladder Trauma Bladder injury is broadly divided into extraperitoneal and intraperitoneal injuries. Extraperitoneal bladder injuries generally occur with pelvic frac ... Read the Article 1.25 8 Activity Info
Blast Injuries Explosions are unique in their ability to inflict acute injuries on many people at the same time, resulting in high levels of mortality and morbidity. ... Read the Article 1.25 12 Activity Info
Blastomycosis Blastomycosis is a fungal infection caused by Blastomyces dermatitidis. It presents as a pulmonary infection after the inhalation of spores, and it ma ... Read the Article 1.25 8 Activity Info
Bleach Toxicity Bleach refers to a large class of compounds used to whiten or color-lighten materials. They are frequently used for cleaning and disinfection; bleache ... Read the Article 1 4 Activity Info
Bleeding Disorders Hereditary bleeding disorders occur due to the absence or deficiency of specific clotting proteins. The three most common hereditary bleeding disorder ... Read the Article 1 6 Activity Info
Blepharitis Blepharitis is an ophthalmologic condition where there is inflammation of the eyelid margins. The diagnosis is clinical and based on irritation of the ... Read the Article 1 6 Activity Info
Blood Transfusion Blood transfusions are a relatively common medical procedure and while typically safe, there are multiple complications that practitioners need to be ... Read the Article 2.25 32 Activity Info
Blunt Abdominal Trauma Abdominal trauma caused by blunt force is a common presentation in the emergency room seen in adults and children. The chief cause of blunt abdominal ... Read the Article 1.25 13 Activity Info
Blunt Cardiac Injury A cardiac contusion is a misnomer used to indicate injury to the heart after blunt chest trauma. Because of the term's ambiguity in describing a spect ... Read the Article 1.25 10 Activity Info
Blunt Eye Trauma Blunt injury to the eye can lead to various intrinsic eye injuries. Globe rupture and retrobulbar hematoma are two emergent entities that are of impor ... Read the Article 1.25 10 Activity Info
Blunt Force Trauma Trauma is the leading cause of morbidity and mortality in patients under 35-years of age and the sixth leading cause of death worldwide. The majority ... Read the Article 1.25 12 Activity Info
Blunt Head Trauma Traumatic Brain Injury is a significant cause of morbidity and mortality in the United States, with an annual occurrence of more than 1.5 million. Fal ... Read the Article 1 7 Activity Info
Body Fluid Exposures Health care workers have serious concerns about exposure to bodily fluids. Accidental exposures to bodily fluids present a wide variety of issues to h ... Read the Article 1 5 Activity Info
Body Piercing Infections Body piercings have become increasingly popular and are a socially acceptable form of body modification. Common sites of piercings are the ears, mouth ... Read the Article 1 5 Activity Info
Boerhaave Syndrome Boerhaave syndrome is also known as spontaneous esophageal rupture or effort rupture of the esophagus. Although vomiting is thought to be the most com ... Read the Article 1.25 10 Activity Info
Bone Metastasis The skeleton is the third most common site of metastatic disease after lung and liver. Most bone metastases originate from the breast, prostate or lun ... Read the Article 1 5 Activity Info
Borrelia Burgdorferi Borrelia burgdorferi is a pathogenic spirochete responsible for Lyme disease via a tick vector. This spirochete causes a characteristic annular rash, ... Read the Article 1 3 Activity Info
Botulism Botulism is a rare, potentially fatal syndrome of diffuse, flaccid paralysis caused by botulinum neurotoxin (BoNT) which is elaborated by the bacteriu ... Read the Article 1.5 17 Activity Info
Botulism Antitoxin Botulinum antitoxin, also known as botulism antitoxin, is comprised of antibodies or antibody antigen-binding fragments that block the neurotoxin prod ... Read the Article 1 6 Activity Info
Bowel Adhesions Bowel adhesions are irregular bands of scar tissue that form between bowel loops, which are normally not bound together. The bands of tissue can devel ... Read the Article 1 5 Activity Info
Bowel Ischemia Bowel ischemia can classify as small intestine ischemia, which is commonly known as mesenteric ischemia and large intestine ischemia, which generally ... Read the Article 1.5 18 Activity Info
Bowel Obstruction A bowel obstruction can either be a mechanical or functional obstruction of the small or large intestines. Obstruction frequently causes abdominal pai ... Read the Article 1 4 Activity Info
Bowel Perforation Bowel perforation results from insult or injury to the mucosa of the bowel wall caused due to a violation of the closed system. Bowel perforation can ... Read the Article 1 6 Activity Info
Brachial Plexus Injuries The earliest written description of a brachial plexus injury (BPI) is attributed to Homer circa 800 BC in his depiction of a battle during which Hecto ... Read the Article 1.25 9 Activity Info
Brain Abscess Brain abscess is a localized zone of necrosis with a surrounding membrane within the brain parenchyma, usually resulting from an infectious or traumat ... Read the Article 1.75 22 Activity Info
Brain Death Brain death is both a legal and clinical term. The term has been present in medical literature and texts for many years as part of the National Confer ... Read the Article 1 4 Activity Info
Brain Herniation Brain herniation, also called brain code, requires early diagnosis and prompt management in order to prevent irreversible pathological cascades that e ... Read the Article 1.25 8 Activity Info
Brain Metastasis Brain metastases are a common complication of cancer and the most common type of brain tumor. Anywhere from 10% to 26% of patients who die from their ... Read the Article 1.5 15 Activity Info
Brain Trauma Brain trauma or traumatic brain injury (TBI) results from a blow, bump, jolt, or penetrating injury to the head that disrupts the normal function of t ... Read the Article 1.5 13 Activity Info
Brainstem Death The revised memorandum in 1979 correlated the brain stem death with death itself. This activity outlines current recommendations set for diagnosing br ... Read the Article 1 5 Activity Info
Brainstem Infarction Brainstem infarcts are a collection of difficult to diagnose syndromes affecting the midbrain, the pons, and the medulla oblongata. They can cause a v ... Read the Article 1.25 6 Activity Info
Branch Retinal Vein Occlusion The human retina is the most metabolically expensive tissue in the human body. Processing visual input in the retina requires high quantities of arter ... Read the Article 1.25 13 Activity Info
BRASH Syndrome The BRASH acronym describes a syndrome involving bradycardia, renal failure, AV nodal blockade, shock, and hyperkalemia. The synergism between AV noda ... Read the Article 1 5 Activity Info
Breast Abscess Breast abscesses are a common problem, especially in lactating women. Most breast abscesses are benign. However, when a non-lactating patient presents ... Read the Article 1.25 10 Activity Info
Brief Psychotic Disorder Brief psychotic disorder (BPD) according to DSM-5 is the sudden onset of psychotic behavior that lasts less than 1 month followed by complete remissio ... Read the Article 1.25 9 Activity Info
Brief Resolved Unexplained Event In 2016, the American Academy of Pediatrics recommended replacing the term apparent life-threatening event (ALTE) with brief resolved unexplained even ... Read the Article 1 6 Activity Info
Bronchiectasis Bronchiectasis is a chronic lung disease characterized by persistent and lifelong widening of the bronchial airways and weakening of the function muco ... Read the Article 1.25 9 Activity Info
Bronchiolitis Bronchiolitis is a common lung infection in young individuals. The viral infection involves the lower respiratory tract and can present with signs of ... Read the Article 1.25 9 Activity Info
Brown Recluse Spider Toxicity In the United States, Loxosceles reclusa or brown recluse spiders are found mostly in the south, west, and midwest areas. They are usually in dark are ... Read the Article 1 4 Activity Info
Brown Sequard Syndrome Brown-Séquard syndrome is a neurologic syndrome resulting from hemisection of the spinal cord. It manifests with weakness or paralysis and propriocept ... Read the Article 1 6 Activity Info
Budd Chiari Syndrome Hepatic venous outflow obstruction due to any cause except the cardiac ones regardless of the level of obstruction is known as Budd-Chiari syndrome. T ... Read the Article 1.25 9 Activity Info
Bullous Myringitis Bullous myringitis (BM) is a relatively common infectious condition characterized by bullae or vesicles on the tympanic membrane without affecting the ... Read the Article 1 6 Activity Info
Bupivacaine Bupivacaine is a potent local anesthetic with unique characteristics from the amide group of local anesthetics. Local anesthetics are used in regional ... Read the Article 1 5 Activity Info
Burn Evaluation And Management Burns are injuries of the skin involving the two layers: the thin, outer epidermis and the thicker, deeper dermis. 86% of burns are caused by thermal ... Read the Article 1 7 Activity Info
Burn Fluid Management In the United States, approximately 500,000 people seek care for burn injuries each year. For civilians, these injuries are typically sustained in hou ... Read the Article 1 5 Activity Info
Burn Resuscitation And Management Severe burns cause not only significant injury at the local burn site but also a systemic response throughout the body. Inflammatory and vasoactive m ... Read the Article 1 5 Activity Info
Bursitis Bursitis is a swelling or inflammation of a bursa, which is a synovium-lined, sac-like structure found throughout the body near bony prominences and b ... Read the Article 1 5 Activity Info
C1 Fractures The craniocervical junction is comprised of C1 (atlas) and C2 (axis). The occipito-atlantal and atlantoaxial articulations provide 50% of the flexion ... Read the Article 1.25 13 Activity Info
C2 Fractures Registry study places the incidence of C2 fracture at 6 per 100000 people. In Sweden, of 6370 patients with C2 fractures: 51% were male, and the avera ... Read the Article 1 7 Activity Info
Cafe Au Lait Macules Cafe-au-lait macules (CALMs) are common pigmented lesions found in the general population. They can be described as well-circumscribed, pigmented macu ... Read the Article 1.25 8 Activity Info
Caffeine Toxicity Caffeine is a stimulant that has been utilized globally for centuries secondary to its ability to improve mental alertness. As many as 85% of American ... Read the Article 1 7 Activity Info
Caffeine Withdrawal Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class and is one of the most widely used drugs in the world. Unlike other p ... Read the Article 1 5 Activity Info
Calcaneofibular Ligament Injury Isolated calcaneofibular ligament (CFL) injuries are rare. CFL injuries are often described in the lateral ankle compartment, specifically associated ... Read the Article 1 5 Activity Info
Calcaneus Fractures Calcaneus fractures are rare but potentially debilitating injuries. The calcaneus is one of seven tarsal bones and is part of the hind-foot which incl ... Read the Article 1.25 9 Activity Info
Calcium Channel Blocker Toxicity Calcium channel blockers (CCBs) are among the most commonly used cardiovascular drugs in the adult population. Like most other medications, when calci ... Read the Article 1 5 Activity Info
Calcium Channel Blockers Calcium channel antagonists, also known as calcium channel blockers (CCBs), have been widely used for many indications. These agents are often classif ... Read the Article 1 5 Activity Info
Calcium Gluconate Calcium gluconate is a medication used to manage hypocalcemia, cardiac arrest, and cardiotoxicity due to hyperkalemia or hypermagnesemia. It is classi ... Read the Article 1 5 Activity Info
Calcium Pyrophosphate Deposition Disease Calcium pyrophosphate deposition disease (CPPD) is a crystal deposition arthropathy involving the synovial and periarticular tissues. Its clinical pre ... Read the Article 1.25 9 Activity Info
Campylobacter Campylobacter is a bacterial species that represent one of the most common causes of diarrheal illness worldwide. This infection is associated with th ... Read the Article 1 5 Activity Info
Cannabinoid Hyperemesis Syndrome Cannabinoid hyperemesis syndrome (CHS) is a condition in which a patient experiences cyclical nausea, vomiting, and abdominal pain after using cannabi ... Read the Article 1 5 Activity Info
Cannabinoid Toxicity Cannabinoids are a collective group of compounds that act on cannabinoid receptors. They include plant-derived phytocannabinoids, synthetic cannabinoi ... Read the Article 1 6 Activity Info
Capnography And Pulse Oximetry Pulse oximetry is a noninvasive measure of oxygen saturation. Capnography is a method of monitoring the concentration or partial pressure of carbon di ... Read the Article 1 5 Activity Info
Carbamate Toxicity Carbamates are a class of insecticides structurally and mechanistically similar to organophosphate (OP) insecticides. Carbamates are N-methyl carbamat ... Read the Article 1 4 Activity Info
Carbamazepine Toxicity Carbamazepine is a commonly prescribed agent for focal epilepsy and other nonepileptic conditions such as neuropathic pain, schizophrenia, and bipolar ... Read the Article 1.25 8 Activity Info
Carbon Dioxide Narcosis Carbon dioxide (CO2) narcosis is a condition that develops when excessive CO2 is present in the bloodstream, leading to a depressed level of conscious ... Read the Article 1 5 Activity Info
Carbon Monoxide Toxicity Carbon monoxide toxicity occurs after breathing in excessive levels of carbon monoxide. This is a tasteless, odorless, and colorless gas and victims a ... Read the Article 1.5 17 Activity Info
Carbon Tetrachloride Toxicity Carbon tetrachloride (CCl4) is an important agent for multiple purposes, such as cleaning purposes, industrial agents, etc. But it can cause several a ... Read the Article 1 5 Activity Info
Carboxyhemoglobin Toxicity Carbon monoxide is a tasteless, odorless, colorless, and non-irritating gas formed with the incomplete combustion of hydrocarbons (fossil fuels). It i ... Read the Article 1 6 Activity Info
Carbuncle A carbuncle is an infection of the hair follicle(s) that extends into the surrounding skin and deep underlying subcutaneous tissue. They typically pre ... Read the Article 1 6 Activity Info
Carcinomatous Meningitis Carcinomatous meningitis is the dissemination of malignant cells from the primary tumor sites to leptomeningeal layers of the CNS. It occurs in the ad ... Read the Article 1.25 7 Activity Info
Cardiac Arrest As defined by the American Heart Association and the American College of Cardiology, "(sudden) cardiac arrest is the sudden cessation of cardiac activ ... Read the Article 1.25 9 Activity Info
Cardiac Manifestations Of Coronavirus (COVID-19) Coronaviruses are a large family of single positive-stranded, enveloped RNA viruses that can infect many animal species and humans. Human coronaviruse ... Read the Article 1.25 5 Activity Info
Cardiac Syncope Syncope, a sudden, transient loss of consciousness and postural tone, is a phenomenon estimated to affect 30% to 40% of the population, and those numb ... Read the Article 1 6 Activity Info
Cardiac Tamponade Cardiac tamponade is a medical emergency that takes place when abnormal amounts of fluid accumulate in the pericardial sac compressing the heart and l ... Read the Article 1.5 15 Activity Info
Cardiac Trauma Cardiac trauma can be categorized as either blunt or penetrating according to the mechanism of injury. Outcomes range from spontaneously-resolving arr ... Read the Article 1 5 Activity Info
Cardioembolic Stroke An estimated 26 million people suffer a stroke each year, making it a significant source of mortality and long-term disability. Up to two-thirds of st ... Read the Article 1 4 Activity Info
Cardiogenic Pulmonary Edema Pulmonary edema refers to the accumulation of excessive fluid in the alveolar walls and alveolar spaces of the lungs. It can be a life-threatening con ... Read the Article 1.25 11 Activity Info
Cardiogenic Shock Cardiogenic shock is a primary cardiac disorder characterized by a low cardiac output state of circulatory failure that results in end-organ hypoperfu ... Read the Article 1.5 16 Activity Info
Cardiopulmonary Arrest In Adults Cardiopulmonary arrest is the cessation of adequate heart function and respiration and results in death without reversal. Often this condition is foun ... Read the Article 1 7 Activity Info
Cardiopulmonary Arrest In Children Unlike in adults, cardiopulmonary arrest in rare in children and less likely to be a primary cardiac event. Early onset of effective, high-quality CPR ... Read the Article 1 7 Activity Info
Cardiopulmonary Resuscitation Cardiopulmonary resuscitation (CPR) comprises a group of interventions performed to provide oxygenation and circulation to the body during cardiac arr ... Read the Article 1.25 10 Activity Info
Cardiorenal Syndrome Cardiorenal syndrome includes multiple subtypes based on underlying pathology and chronicity. Each subtype involves unique pathophysiology, and thus, ... Read the Article 1 5 Activity Info
Carisoprodol Carisoprodol is an FDA-approved drug indicated for the relief of discomfort associated with acute, painful musculoskeletal conditions. Although market ... Read the Article 1 4 Activity Info
Carotid Artery Dissection Carotid artery dissection is a condition whereby the layers of the carotid artery are spontaneously separated. This potentially compromises blood flow ... Read the Article 1.25 9 Activity Info
Carotid Artery Stenosis The distinction between hemodynamic and embolic stroke in the setting of chronic internal carotid artery occlusion is important. Embolic symptoms are ... Read the Article 1.75 20 Activity Info
Carotid Artery Surgery Symptoms of extracranial carotid disease are usually caused by embolization. Arterial emboli account for approximately 25 percent of strokes in Europe ... Read the Article 1 5 Activity Info
Carotid Bruit A carotid bruit is a vascular sound usually heard with a stethoscope over the carotid artery because of turbulent, non-laminar blood flow through a st ... Read the Article 1.25 10 Activity Info
Carotid Contusion The neck has several important anatomical structures which include the carotid arteries bilaterally. While the injury to the carotid artery is not a c ... Read the Article 1 4 Activity Info
Carotid Sinus Hypersensitivity Carotid sinus hypersensitivity is an exaggerated response to pressure applied to the carotid sinus located in the carotid bifurcation, resulting in br ... Read the Article 1 5 Activity Info
Carpal Tunnel Syndrome Carpal tunnel syndrome (CTS) is an entrapment neuropathy caused by compression of the median nerve as it travels through the wrist's carpal tunnel. It ... Read the Article 1.5 14 Activity Info
Carvedilol Carvedilol is a non-selective adrenergic blocker indicated for the chronic therapy of heart failure with reduced ejection fraction (HFrEF), hypertensi ... Read the Article 1 6 Activity Info
Cat Scratch Disease Cat scratch disease is an illness caused by an intracellular gram-negative rod known as Bartonella henselae. It affects the lymph nodes draining the a ... Read the Article 1.25 8 Activity Info
Cataplexy Cataplexy, a physical feature of narcolepsy, is characterized by transient episodes of voluntary muscle weakness precipitated by intense emotion. Subj ... Read the Article 1 7 Activity Info
Cataract A cataract is a disease of the eye in which the normally clear lens has opacified which obscures the passage of light. It is a gradually progressive d ... Read the Article 1.25 12 Activity Info
Caterpillar and Moth Bites "Lepidopterism" refers to various skin and systemic reactions secondary to contact with moth and butterfly larvae or caterpillars (order Lepidoptera). ... Read the Article 1 4 Activity Info
Cauda Equina And Conus Medullaris Syndromes Cauda equina and conus medullaris syndromes have overlap in anatomy and clinical presentation. The cauda equina is a group of nerves and nerve roots s ... Read the Article 1.25 12 Activity Info
Cauliflower Ear Cauliflower ear, also known as wrestler's ear or perichondrial hematoma, is a deformity caused by blunt trauma to the auricle. It occurs as blood accu ... Read the Article 1 5 Activity Info
Caustic Ingestions Caustic ingestion is the term given to describe the ingestion of an extremely toxic substance such as lye. Caustic ingestions are serious medical emer ... Read the Article 1.25 9 Activity Info
Cavernous Sinus Thrombosis Cavernous sinus thrombosis (CST) is a rare, life-threatening disorder that can complicate facial infection, sinusitis, orbital cellulitis, pharyngitis ... Read the Article 1 6 Activity Info
Cellulitis Cellulitis is a common bacterial skin infection, with over 14 million cases occurring in the United States annually. This activity educates the learne ... Read the Article 1.25 13 Activity Info
Centipede Envenomation Centipede bites are uncommon but can be clinically significant in regards to patient discomfort, morbidity, and mortality. Prompt diagnosis and treat ... Read the Article 1.25 8 Activity Info
Central and Peripheral Cyanosis Peripheral cyanosis is the bluish discoloration of the distal extremities (Hands, fingertips, toes), and can sometimes involve circumoral and periorbi ... Read the Article 1 6 Activity Info
Central Cord Syndrome Central cord syndrome is the most common type of incomplete cord injury and almost always occurs due to a traumatic injury. It results in motor defici ... Read the Article 1 5 Activity Info
Central Line Central venous catheterization (CVC) is a procedure frequently required in acute or critical care resuscitation. Indications include patients with mul ... Read the Article 1 5 Activity Info
Central Line Placement A central line is a large-bore central venous catheter that is typically placed using a sterile technique unless a patient is unstable, in which case ... Read the Article 1 5 Activity Info
Central Pontine Myelinolysis Central pontine myelinolysis is a rare neurologic condition most frequently caused by the rapid correction of hyponatremia. This activity reviews the ... Read the Article 1.25 10 Activity Info
Central Retinal Artery Occlusion Central retinal artery occlusion (CRAO) is the sudden blockage of the central retinal artery, resulting in retinal hypoperfusion, rapidly progressive ... Read the Article 1 7 Activity Info
Central Retinal Vein Occlusion Retinal vein occlusion (RVO) is the second most common retinal vascular disease and is a common loss of vision in older patients. There are two types ... Read the Article 1 6 Activity Info
Central Venous Access of The Subclavian Vein In the United States, more than 5 million central venous catheters are inserted every year in both hospitalized and surgical patients. Once an indicat ... Read the Article 1 6 Activity Info
Central Venous Catheter Central venous catheter insertion is a common and often, necessary procedure for the care of critically ill patients. Central venous access may be att ... Read the Article 1.25 8 Activity Info
Central Vertigo Central vertigo is a clinical condition in which an individual experiences the sensation of motion despite remaining still. It results from a dysfunct ... Read the Article 1 5 Activity Info
Cephalexin Cephalexin is an FDA-approved antibiotic. Cephalexin is a first-generation cephalosporin utilized in the treatment of urinary tract infections, respir ... Read the Article 1 5 Activity Info
Cephalosporins Cephalosporins are beta-lactam antimicrobials used to manage a wide range of infections from gram-positive and gram-negative bacteria. The five genera ... Read the Article 1.25 9 Activity Info
Cerebellar Dysfunction The cerebellum maintains our coordination and balance. Cerebellar dysfunction causes difficulty with coordination, imbalance, and gait disorders. Poss ... Read the Article 1 5 Activity Info
Cerebellar Hematoma Cerebellar hemorrhage or hematoma is a type of intracranial hemorrhage in which the bleeding is located in the posterior fossa or cerebellum. This con ... Read the Article 1.25 9 Activity Info
Cerebellar Infarct A cerebellar infarct (or cerebellar stroke) is a type of cerebrovascular event involving the posterior cranial fossa, specifically the cerebellum. Imp ... Read the Article 1 6 Activity Info
Cerebral Aneurysm Cerebral aneurysms are defined as dilations that occur at weak points along the arterial circulation within the brain. The majority of cerebral aneury ... Read the Article 2.25 33 Activity Info
Cerebral Edema The most basic definition of cerebral edema is swelling of the brain. It is a relatively common phenomenon with numerous etiologies. Cerebral edema c ... Read the Article 1 7 Activity Info
Cerebral Ischemia Cerebral ischemia is a common mechanism of acute brain injury that results from impaired blood flow to the brain. Cerebral ischemia represents a medic ... Read the Article 1 6 Activity Info
Cerebral Venous Thrombosis Cerebral venous thrombosis (CVT), which includes thrombosis of the cerebral veins and the dural sinuses, is a rare disorder that can lead to significa ... Read the Article 1.25 11 Activity Info
Cerebrospinal Fluid Leak Cerebrospinal fluid (CSF) is a clear protein- and glucose-rich liquid in the subarachnoid space of the central nervous system. It is found in the vent ... Read the Article 1 7 Activity Info
Cerebrovascular Disease A stroke, or cerebrovascular accident, is an emergency medical condition characterized by an acute compromise of the cerebral perfusion or vasculature ... Read the Article 1.25 8 Activity Info
Cerumen Impaction Removal Production of cerumen (earwax) is a normal and naturally occurring process. It protects the ear from infection and provides a barrier to insects and w ... Read the Article 1 4 Activity Info
Cervical Disc Herniation Cervical disc herniation is a common cause of neck pain in adults. The severity of the disease can range from mild to severe, and even life-threatenin ... Read the Article 1.25 10 Activity Info
Cervical Disc Injuries The spinal cord is a nervous tissue bundle from the medulla oblongata in the brainstem to the lumbar region, and the vertebral column protects it. The ... Read the Article 1 6 Activity Info
Cervical Dislocation Cervical dislocations have classically been associated with traumatic spinal cord injuries. These injuries can cause spinal cord compression and drama ... Read the Article 1 6 Activity Info
Cervical Injury Cervical spine injuries, although uncommon, can result in significant and long-term disability. The cervical spine encompasses seven vertebrae and ser ... Read the Article 1 7 Activity Info
Cervical Myofascial Pain Cervical myofascial pain is a musculoskeletal disorder that causes pain in the area of a muscle in the body and its surrounding connective tissue. Pro ... Read the Article 1 5 Activity Info
Cervical Spine Fractures Overview The cervical spine is a dynamic structure tasked with protecting nervous innervation to the entire body while also maintaining a range of motion for t ... Read the Article 1 6 Activity Info
Cervical Sprain The term "whiplash" injury was first coined by Harold Crowe in 1928 to define acceleration-deceleration injuries occurring to the cervical spine or ne ... Read the Article 1 5 Activity Info
Cervical Subluxation Subluxation is an essential entity of traumatic subaxial cervical spinal injuries. There is a varying degree of slippage of the body of one vertebra r ... Read the Article 1.25 9 Activity Info
Cesarean Section This activity reviews the cesarean section, and it highlights ways in which an interprofessional care team can impact the health of women and their ne ... Read the Article 1.75 19 Activity Info
Chagas Disease Chagas disease (American trypanosomiasis) is a zoonotic disease caused by the parasite Trypanosoma cruzi. This is a vector-borne illness spread by the ... Read the Article 1.25 13 Activity Info
Chance Fractures A Chance fracture is an unstable spine fracture that typically occurs at the thoracolumbar junction. It is a horizontal fracture extending from poster ... Read the Article 1.5 14 Activity Info
Chancroid Chancroid is an exceedingly rare sexually transmitted infection, both in the United States and globally. Knowledge regarding its true prevalence is ma ... Read the Article 1 5 Activity Info
Change In Mental Status Altered mental status is a common presentation. It is important to recognize the early signs of altered mental status, identify the underlying cause, ... Read the Article 1 3 Activity Info
Chemical Burns Healthcare professionals should be knowledgeable about chemical burns from exposure to acids (pH less than 7), alkalis (pH greater than 7), and irrita ... Read the Article 1 5 Activity Info
Chemical Decontamination Contending with a mass casualty incident involving a chemical exposure seems daunting; fortunately, these are rare events. Acute care clinicians may ... Read the Article 1 6 Activity Info
Cherry Red Spot A cherry-red spot refers to a red-tinted region at the center of macula surrounded by retinal opacification. Cherry-red spots may be present in a vari ... Read the Article 1 5 Activity Info
Chest Pain Chest pain is a common complaint and encompasses a broad differential diagnosis that includes several life-threatening causes. A workup must focus on ... Read the Article 1.25 11 Activity Info
Chest Trauma Chest trauma has quickly risen to the second most common traumatic injury in non-intentional trauma. Trauma to the chest comes with the highest mortal ... Read the Article 1 8 Activity Info
Cheyne Stokes Respirations Cheyne-Stokes respiration is a type of breathing disorder characterized by cyclical episodes of apnea and hyperventilation. Although described in the ... Read the Article 1 5 Activity Info
Chigger Bites Chigger is the common name for species of the Trombiculid family of mites. Bites from the larva of these mites can cause local pruritus and irritation ... Read the Article 1 5 Activity Info
Child Abuse and Neglect The World Health Organization (WHO) defines child maltreatment as “all forms of physical and emotional ill-treatment, sexual abuse, neglect, and explo ... Read the Article 2 30 Activity Info
Child Intussusception Intussusception is a condition in which part of the intestine folds into the section next to it. Intussusception usually involves the small bowel and ... Read the Article 1.25 12 Activity Info
Child Physical Abuse And Neglect Approximately one in four children experience child abuse or neglect in their lifetime. Of maltreated children, 18 percent are abused physically, 78 p ... Read the Article 1 5 Activity Info
Child Sexual Abuse And Neglect Sexual abuse of children is the involvement of children or adolescents in sexual activities that he or she does not fully comprehend and can include e ... Read the Article 1 5 Activity Info
Chlamydia Chlamydia trachomatis is responsible for the greatest number of sexually transmitted infections and the majority of infection-related of blindness wor ... Read the Article 1.5 13 Activity Info
Chlamydia Pneumonia Three species of Chlamydia namely, C. pneumoniae, C. psittaci, and C. trachomatis are known to cause respiratory infections in humans. They are one of ... Read the Article 1.25 9 Activity Info
Chlorine Gas Toxicity Gaseous chlorine is poisonous and classified as a pulmonary irritant. It has intermediate water solubility with the capability of causing acute damage ... Read the Article 1 5 Activity Info
Chloroquine Chloroquine is a medication used in the management and treatment of malaria and inflammatory diseases. It is in the sulfonamides class of drugs. This ... Read the Article 1 6 Activity Info
Chokes Chokes, or pulmonary decompression sickness, is a rare but severe manifestation of decompression sickness (DCS) that can be rapidly fatal even with ap ... Read the Article 1 6 Activity Info
Choking Choking or foreign body airway obstruction occurs when an object partially or completely obstructs the passage of air exchange between the upper airwa ... Read the Article 1 4 Activity Info
Cholangitis Acute cholangitis, also known as ascending cholangitis, is a life-threatening condition that is caused by an ascending bacterial infection of the bili ... Read the Article 1.25 10 Activity Info
Choledocholithiasis Choledocholithiasis is the presence of stones within the common bile duct. It is estimated that common bile duct stones are present in anywhere from 1 ... Read the Article 1 5 Activity Info
Cholelithiasis Cholelithiasis or gallstones are hardened deposits of digestive fluid that can form in your gallbladder. The gallbladder is a small organ located just ... Read the Article 1.25 11 Activity Info
Cholera Cholera is an acute secretory diarrheal illness caused by the bacteria Vibrio cholerae. It is estimated to cause upwards of four million cases per yea ... Read the Article 1 7 Activity Info
Cholestatic Jaundice Cholestasis is defined as stagnation, or at least a marked reduction, in bile secretion and flow. Cholestasis can be due to a functional impairment of ... Read the Article 1 6 Activity Info
Cholinergic Crisis A cholinergic crisis develops as a result of overstimulation of nicotinic and muscarinic receptors at the neuromuscular junctions. This is usually sec ... Read the Article 1 6 Activity Info
Cholinergic Toxicity Cholinergic toxicity is caused by substances that stimulate, enhance or mimic the neurotransmitter acetylcholine, the primary neurotransmitter of the ... Read the Article 1.25 8 Activity Info
Cholinesterase Inhibitors Cholinesterase inhibitors function to decrease the breakdown of acetylcholine. They SEe use in the treatment of Alzheimer and dementia symptoms. This ... Read the Article 1.25 11 Activity Info
Chronic Bronchitis Chronic bronchitis is a type of chronic obstructive pulmonary disease (COPD) that is defined as a productive cough of more than 3 months occurring wit ... Read the Article 1.25 8 Activity Info
Chronic Cholecystitis Chronic cholecystitis is a prolonged, subacute condition caused by the mechanical or functional dysfunction of the emptying of the gallbladder. It pre ... Read the Article 1 5 Activity Info
Chronic Cough Cough is a natural defense mechanism that allows clearance of bronchial tree secretions and the elimination of inhaled foreign particles. It is a comm ... Read the Article 1 5 Activity Info
Chronic Headaches Chronic headaches occur for at least 15 days of a month for at least three months. There are a variety of causes and ways to manage this condition. Th ... Read the Article 1.25 9 Activity Info
Chronic Iron Deficiency Chronic iron deficiency is the most common nutrient deficiency in the world and a significant common cause of anemia worldwide. It is mainly caused by ... Read the Article 1 5 Activity Info
Chronic Liver Disease Chronic liver disease is a progressive deterioration of liver functions. Liver functions include the production of clotting factors and other proteins ... Read the Article 1.25 7 Activity Info
Chronic Obstructive Pulmonary Disease Chronic obstructive lung disease is a lung disease characterized by lung airflow limitation and can be from exposure to harmful substances. It is a co ... Read the Article 2.25 37 Activity Info
Chronic Pain Over one-quarter of United States citizens suffer from chronic pain. It is among the most common complaints seen in an outpatient clinic. The failure ... Read the Article 2.75 44 Activity Info
Chronic Pain Syndrome Chronic pain is a leading chief complaint in an adult ambulatory care setting. Unfortunately, chronic non-cancer pain is often poorly understood by ... Read the Article 1.25 9 Activity Info
Chronic Pancreatitis Chronic pancreatitis is a progressive inflammatory disorder that leads to irreversible destruction of exocrine and endocrine pancreatic parenchyma cau ... Read the Article 1.5 14 Activity Info
Chronic Pelvic Pain Chronic pelvic pain can be a disabling, chronic, persistent pain, within the pelvis in women. Relatively common, chronic pelvic pain is associated wit ... Read the Article 1.25 7 Activity Info
Chronic Renal Failure Chronic kidney disease (CKD) is defined as the presence of kidney damage or an estimated glomerular filtration rate (eGFR) less than 60 ml/min per 1.7 ... Read the Article 2 25 Activity Info
Chronic Suppurative Otitis Chronic suppurative otitis media continues to be an important disease in the pediatric population and a significant cause of hearing problems leading ... Read the Article 1 5 Activity Info
Chronic Traumatic Encephalopathy Sports-related traumatic brain injury (TBI) has become increasingly popular in the scientific literature over the past few decades. However, the first ... Read the Article 1 6 Activity Info
Chylothorax A chylothorax is the accumulation of chyle in the pleural space. This is most commonly seen following traumatic disruption of the thoracic duct and is ... Read the Article 1.25 11 Activity Info
Ciguatera Toxicity Ciguatera toxicity is a food-borne illness caused by eating fish contaminated with Ciguatoxin. This toxin is a potent neurotoxin, and it is produced b ... Read the Article 1 4 Activity Info
Ciliary Dysfunction The majority of newborns with primary ciliary dysfunction (PCD), formerly known as immotile cilia syndrome, develop neonatal respiratory distress with ... Read the Article 1 5 Activity Info
Cinchonism Cinchonism is a collection of symptoms described as hearing loss, tinnitus, dizziness, flushing, and blurry vision stemming from the ingestion of quin ... Read the Article 1 5 Activity Info
Clavicle Fractures Fractures of the clavicle are quite common, accounting for up to 10% of all fractures. It is the most common fracture of childhood. A fall onto the la ... Read the Article 1.25 9 Activity Info
Clonidine Clonidine is an antihypertensive medication that acts on alpha-adrenergic and imidazoline receptor agonists. Clonidine is an antihypertensive drug tha ... Read the Article 1 7 Activity Info
Clonidine Toxicity Clonidine is a commonly prescribed biochemical derivative of imidazoline with a variety of clinical uses. It was originally developed as a nasal decon ... Read the Article 1 4 Activity Info
Clonorchis Sinensis Clonorchis sinensis is also known as the Chinese liver fluke. These are most commonly found in Eastern Asia but are also commonly found in Russia. The ... Read the Article 1 5 Activity Info
Clonus Clonus is a rhythmic oscillating stretch reflex that is related to upper motor neuron lesions. Therefore, clonus is generally accompanied by hyperrefl ... Read the Article 1 7 Activity Info
Closed Head Trauma Traumatic brain injury (TBI) is an injury to the brain from an external mechanical force. TBI can generally be classified as either closed or penetrat ... Read the Article 1 6 Activity Info
Clostridium Difficile Clostridium difficile is a gram-positive bacterium that is the cause most implicated in antibiotic-associated diarrhea. The emergence of a newer hyper ... Read the Article 1.5 17 Activity Info
Clostridium Perfringens Clostridium perfringens is an anaerobic Gram-positive spore-forming bacillus that is associated with acute gastrointestinal infection ranging in sever ... Read the Article 1 6 Activity Info
Clostridium Tetani Clostridia are variable genera of anaerobic organisms made up of at least 209 species and five subspecies. Clostridium tetani is one of the four most ... Read the Article 1 6 Activity Info
Cluster Headache Cluster headaches are the most common of the primary headache type known as trigeminal autonomic cephalgia. They are fairly rare, plaguing 0.1% of the ... Read the Article 1.25 12 Activity Info
Cocaine Cocaine hydrochloride topical solution contains 4% cocaine. It is not FDA-approved but allowed for only the following indications: topical anesthesia ... Read the Article 1.25 13 Activity Info
Cocaine Toxicity Cocaine abuse is a major worldwide health problem. Patients with acute cocaine toxicity may require urgent treatment for tachycardia, dysrhythmia, hyp ... Read the Article 1.25 10 Activity Info
Colchicine Colchicine has FDA approval for gout prophylaxis and treatment of acute gouty flares. It also has approval for the treatment of familial Mediterranean ... Read the Article 1 5 Activity Info
Colic Infant colic is estimated to affect 20% of all infants. Despite its prevalence, a clear cause for infantile colic remains elusive. There have been man ... Read the Article 1 5 Activity Info
Colitis Colitis is an increasingly common condition in which the mucosal lining of the colon becomes acutely or chronically inflamed. Patients with colitis ma ... Read the Article 1 7 Activity Info
Colles' Fracture This activity outlines the evaluation, treatment, and management of Colles fractures. Colles fractures are forearm injuries that require medical manag ... Read the Article 1.25 9 Activity Info
Colon Cancer Colorectal cancer (CRC) is the third most common diagnosis and second deadliest malignancy for both sexes combined. The incidence of new cases and mor ... Read the Article 1.5 13 Activity Info
Colon Diverticulitis Diverticulitis has increased in incidence over the past few decades and represents a significant healthcare burden in western countries. In the United ... Read the Article 1.5 19 Activity Info
Colovesicular Fistula The most common cause of colovesicular fistulas is the sequelae of complicated diverticulitis and accounts for over two-thirds of cases. The second mo ... Read the Article 1.25 9 Activity Info
Coma Altered mental status is a catch-all term that includes a spectrum of patient behaviors ranging from confusion to deep unresponsiveness. Coma is at on ... Read the Article 1 6 Activity Info
Commotio Cordis Commotio cordis is ventricular fibrillation precipitated by blunt trauma to the heart. Although it is infrequent, it is an important cause of sudden ... Read the Article 1 6 Activity Info
Community-Acquired Pneumonia Community-acquired pneumonia is a leading cause of hospitalization, mortality, and incurs significant health care costs. As disease presentation varie ... Read the Article 1.75 21 Activity Info
Competency and Capacity This article reviews the concepts of capacity and competency with regard to clinical practice. More specifically, it discusses the foundational ethica ... Read the Article 1 6 Activity Info
Complex Partial Seizure Complex partial seizures, also known as focal impaired awareness seizures or focal onset impaired awareness seizures, refer to focal seizures that sta ... Read the Article 1.25 8 Activity Info
Concussion A concussion is a "traumatically induced transient disturbance of brain function." Concussions are a subset of the neurologic injuries known as trauma ... Read the Article 1 6 Activity Info
Condyloma Acuminata Condyloma acuminata is a manifestation of human papillomavirus (HPV) infection. The condition is characterized by skin-colored, fleshy papules in the ... Read the Article 1.25 13 Activity Info
Congestive Heart Failure Heart failure is a complex clinical syndrome in which the heart cannot pump enough blood to meet the body's requirements. It results from any disorder ... Read the Article 2.5 37 Activity Info
Congestive Heart Failure And Pulmonary Edema Heart failure is a growing public health problem and is now the most common cause of hospitalizations in the U.S. among patients 65 years and older. T ... Read the Article 1.5 15 Activity Info
Conjunctivitis Conjunctivitis refers to the inflammation or infection of the conjunctiva. It is the most common presentation of eye redness in both primary care and ... Read the Article 1 6 Activity Info
Constipation Functional constipation is a prevalent condition in childhood, about 29.6% worldwide. In the United States, represents 3% to 5% of pediatric visits an ... Read the Article 1.25 12 Activity Info
Constrictive Pericarditis The pericardium is the fibroelastic sac that covers the heart. Besides acting as a protective barrier, it also affects cardiac hemodynamics. Constrict ... Read the Article 1.25 13 Activity Info
Contact Dermatitis Contact dermatitis is an inflammatory eczematous skin disease. It is caused by chemicals or metal ions that exert toxic effects without inducing a T-c ... Read the Article 1 6 Activity Info
Contact Urticaria Contact urticaria is a transient wheal and flare response on exposure to specific agents, especially in the work environment. Contact urticaria falls ... Read the Article 1.25 10 Activity Info
Continuous Positive Airway Pressure Continuous positive airway pressure (CPAP) is a type of positive airway pressure that is used to deliver a set pressure to the airways that is maintai ... Read the Article 1 5 Activity Info
Contrecoup Brain Injury Contrecoup brain injury occurs at sites remote to the actual impact site on the head. The etiology and significance of this type of injury have been d ... Read the Article 1 5 Activity Info
Conversion Disorder Conversion disorder is a psychiatric disorder characterized by signs and symptoms affecting sensory or motor function inconsistent with patterns of kn ... Read the Article 1.5 11 Activity Info
Cooling Techniques For Hyperthermia Hyperthermia is defined as a body temperature greater than 40 C. Several conditions can cause hyperthermia. In sepsis, the immunologic reaction to the ... Read the Article 1 7 Activity Info
Cor Pulmonale Cor pulmonale is a Latin word that means "pulmonary heart," its definition varies, and presently, there is no consensual definition. Cor pulmonale can ... Read the Article 1.25 10 Activity Info
Coral Snake Toxicity Coral snakes are members of the Elapidae family, and 40 to 50 species exist in the Americas. In the United States, three types predominate: Micrurus f ... Read the Article 1 4 Activity Info
Coral Toxicity Corals are invertebrates that fall within the class Anthozoa of the phylum Cnidaria. They are one of the important reef builders in tropical oceans. M ... Read the Article 1 5 Activity Info
Cornea Foreign Body Removal A corneal foreign body can be the cause of agonizing eye pain and loss of vision. This activity reviews the safe removal of a corneal foreign body and ... Read the Article 1 5 Activity Info
Corneal Abrasion A corneal abrasion (also called scratched eye or scratched cornea) is an eye injury that causes significant discomfort, photophobia, and erythema. Thi ... Read the Article 1 6 Activity Info
Corneal Foreign Body Corneal foreign bodies account for the second most common form of ocular trauma, with corneal abrasions being number one. In general, major morbidity ... Read the Article 1.25 8 Activity Info
Corneal Injury Approximately 3 percent of all visits to the emergency department are due to eye trauma, with the vast majority of these presentations involving corne ... Read the Article 1 6 Activity Info
Coronary Artery Anomalies With the increasing application of coronary computed tomography angiography (CCTA) as the standard of care for patients with acute chest pain, health ... Read the Article 1.25 9 Activity Info
Coronary Artery Bypass Graft Coronary artery bypass grafting (CABG) is a major surgical operation where atheromatous blockages in a patient’s coronary arteries are bypassed with h ... Read the Article 1.25 10 Activity Info
Coronary Artery Disease Coronary artery disease is a common heart condition that involves atherosclerotic plaque formation in the vessel lumen. This leads to impairment in bl ... Read the Article 1.5 13 Activity Info
Coronary Artery Dissection Coronary artery dissection is the separation of the coronary arterial wall and can be spontaneous, traumatic, or iatrogenic. This activity will focus ... Read the Article 1 6 Activity Info
Coronary Artery Vasospasm Coronary artery vasospasm (CAVS) is a constriction of the coronary arteries that can cause complete or near-complete occlusion of the vessel. In 1959, ... Read the Article 1 6 Activity Info
Cortical Blindness Cortical blindness is an important cause of blindness due to damage to the occipital cortex. It is commonly associated with posterior circulation stro ... Read the Article 1 5 Activity Info
Corticospinal Tract Lesion The corticospinal tract controls primary motor activity for the somatic motor system and is a major pathway for voluntary movements. The lateral corti ... Read the Article 1 6 Activity Info
Corticosteroids Corticosteroids are drugs used in the management and treatment of almost all areas of medicine. This activity outlines the indications, action, and co ... Read the Article 1 6 Activity Info
Corynebacterium Diphtheriae Pharyngitis is defined as the inflammation of pharyngeal tissue. Based on etiology, it can be divided into infectious and non-infectious sources. Vira ... Read the Article 1.25 10 Activity Info
Costochondritis Costochondritis is a benign cause of chest wall pain that results from inflammation of the costal cartilage, the cartilage that connect the ribs to th ... Read the Article 1 5 Activity Info
Cough Cough is one of the most common medical complaints accounting for as many as 30 million clinical visits per year. Up to 40% of these complaints result ... Read the Article 1.5 13 Activity Info
Coxiella Burnetii Coxiella burnetii is the causative agent of Q fever, which is a zoonotic disease. Q fever can present as a febrile illness, pneumonia, or hepatitis. I ... Read the Article 1 5 Activity Info
Cradle Cap Cradle cap, or pityriasis capitis, is a subset of infantile seborrheic dermatitis (ISD). It is a very common, mostly self-limiting, chronic non-inflam ... Read the Article 1 5 Activity Info
Cranial Nerve III Palsy The third cranial nerve is also known as oculomotor nerve and has two major components, the outer parasympathetic fibers that supply the ciliary muscl ... Read the Article 1 6 Activity Info
Craniotomy A craniotomy is a surgical procedure in which a part of the skull is temporarily removed to expose the brain and perform an intracranial procedure. Th ... Read the Article 1 7 Activity Info
Cribiform Plate Fractures A fracture of the cribriform plate is a potentially serious injury that can be easily overlooked. When present, it is indicative of severe head or fac ... Read the Article 1 4 Activity Info
Cricothyrotomy Today, the emergency cricothyroidotomy is the surgical rescue technique of choice for the failed airway in adults. It is considered a more straightfor ... Read the Article 1 5 Activity Info
Crohn Disease Crohn disease (CD) and ulcerative colitis (UC) are two conditions commonly referred to as inflammatory bowel disease (IBD). They are immunologically m ... Read the Article 2.25 34 Activity Info
Crotalidae Envenomation Crotalid envenomations cause a spectrum of disease, with both localized and systemic toxicity, which can result in both prolonged morbidity and rarely ... Read the Article 1 6 Activity Info
Croup Croup is a common respiratory illness of the trachea, larynx, and bronchi that can lead to inspiratory stridor and barking cough. It is a self-limited ... Read the Article 1.5 17 Activity Info
Cryptococcal Meningitis Cryptococcosis is an opportunistic infection that causes more than 100,000 HIV-related deaths each year. Although the infection is usually HIV-related ... Read the Article 1.75 20 Activity Info
Cryptococcus Cryptococcus is an invasive fungus, transmitted through the inhalation of spores and causes cryptococcosis, an infection commonly associated with immu ... Read the Article 1.25 9 Activity Info
Cuboid Stress Fractures Overuse injuries are a common entity in medical practice. Stress reactions and fractures make up a significant portion of patients in a typical sports ... Read the Article 1 6 Activity Info
Culdocentesis Culdocentesis is a procedure used to diagnose the presence of ruptured ectopic pregnancy by evaluating for hemoperitoneum by inserting a needle and dr ... Read the Article 1 6 Activity Info
Cultural Competence In Caring For American Indians and Alaska Natives Cultural competency is emphasized in treating American Indian/ Alaskan Native (AI/AN) patients because the mortality rates are more likely to increase ... Read the Article 1 7 Activity Info
Cultural Competence in the Care of Muslim Patients and Their Families Delivering high-quality care to patients of the Muslim faith requires knowledge of the differences in cultural and spiritual values. Important differe ... Read the Article 1.5 17 Activity Info
Cultural Religious Competence In Clinical Practice The diversity of religion within our world's population brings challenges for health care providers and systems to deliver culturally competent medica ... Read the Article 1.75 16 Activity Info
Cupping Therapy Cupping therapy can generally be described as a technique that uses cups placed over the skin to create negative pressure through suction. Cupping th ... Read the Article 1 5 Activity Info
Cushing Syndrome Cushing syndrome is caused by prolonged exposure to high circulating levels of cortisol. The most common cause of cushingoid features is iatrogenic co ... Read the Article 1.75 20 Activity Info
Cutaneous Adverse Drug Reaction Cutaneous adverse drug reactions (CADR), also known as toxidermia, are skin manifestations resulting from systemic drug administration. These reaction ... Read the Article 1 5 Activity Info
Cyanide Toxicity Cyanide is a rapidly acting substance that is traditionally known as a poison. Hydrogen cyanide was first isolated from Prussian blue dye in 1786 and ... Read the Article 1.25 13 Activity Info
Cyanocobalamin Cyanocobalamin is a medication used in the management and treatment of vitamin B12 deficiencies. This activity reviews the indications, action, and co ... Read the Article 1 5 Activity Info
Cyanosis Cyanosis is characterized by a blueish discoloration of the skin or mucous membranes. Cyanosis is frequently encountered in clinical practice, and the ... Read the Article 1 4 Activity Info
Cystic Fibrosis Until relatively modern times, cystic fibrosis was poorly understood. In 1949, Lowe et al. postulated that cystic fibrosis must be caused by a geneti ... Read the Article 2.75 44 Activity Info
Cystic Kidney Disease Cystic kidney diseases are multisystemic disorders that can develop due to genetic or non-genetic causes in children and adults. These can be a seriou ... Read the Article 1.25 11 Activity Info
Cystitis Cystitis refers to infection of the lower urinary tract, or more specifically the urinary bladder. It may be broadly categorized as either uncomplicat ... Read the Article 1 6 Activity Info
Cytomegalovirus Cytomegalovirus (CMV) is a wide-spread virus, with manifestations ranging from asymptomatic to severe end-organ dysfunction in immunocompromised patie ... Read the Article 1.5 15 Activity Info
Dacryoadenitis Dacryoadenitis refers to acute or chronic inflammation of the lacrimal gland and can be due to infectious, inflammatory, or idiopathic causes. Acute d ... Read the Article 1 4 Activity Info
Dacryocystitis Dacryocystitis is characterized as an inflammatory state of the nasolacrimal sac. It is typically caused by an obstruction within the nasolacrimal duc ... Read the Article 1 6 Activity Info
Dantrolene Dantrolene sodium is a postsynaptic muscle relaxant with multiple indications in the fields of anesthesiology and neurology. While there are many indi ... Read the Article 1 7 Activity Info
Deadly Single Dose Agents Although the basics of evaluating and treating most unknown ingestants are well known, many overdoses require very specific treatment if the patient i ... Read the Article 1.25 8 Activity Info
Decerebrate And Decorticate Posturing Decorticate and decerebrate posturing are abnormal posturing responses typically to noxious stimuli. They involve stereotypical movements of the trunk ... Read the Article 1 7 Activity Info
Decompression Sickness Decompression sickness (DCS) occurs when dissolved gasses (usually nitrogen or helium, used in mixed gas diving) exit solution and form bubbles inside ... Read the Article 1 7 Activity Info
Deep Neck Infections Deep neck infections are a serious but treatable group of infections affecting the deep cervical space and characterized by rapid progression and life ... Read the Article 1 5 Activity Info
Deep Vein Thrombosis A deep-vein thrombosis (DVT) is a blood clot that forms within the deep veins, usually of the leg, but can occur in the veins of the arms and the mese ... Read the Article 1.25 8 Activity Info
Deep Venous Thrombosis Of The Lower Extremity A deep-vein thrombosis (DVT) is a blood clot that forms within the deep veins usually of the leg but can occur in the veins of the arms and the mesent ... Read the Article 1.25 10 Activity Info
Deep Venous Thrombosis Ultrasound Evaluation Deep venous thrombosis (DVT) is a common condition for which clinical diagnosis is typically unreliable due to the infrequency of the classic findings ... Read the Article 1 5 Activity Info
Deferoxamine Deferoxamine is a medication used in Iron and aluminum toxicity. It is in the chelator class of drugs. This activity reviews the indications, mechanis ... Read the Article 1 7 Activity Info
Defibrillation Cardiac defibrillation is the act of administering a transthoracic electrical current to a person experiencing one of the two lethal ventricular dysrh ... Read the Article 1 5 Activity Info
Degloving Injuries Internal degloving injuries are usually associated with high-energy trauma and can be devastating. This injury occurs when a tangential shearing occur ... Read the Article 1 5 Activity Info
Delirium Delirium, also known as the acute confusional state, is a clinical syndrome that usually develops in the elderly. It is characterized by an alteration ... Read the Article 1.75 20 Activity Info
Delirium Tremens Alcohol abuse is a common condition that has been associated with severe impairments in social functioning and medical problems. As high as 20% of the ... Read the Article 1.25 8 Activity Info
Delusional Disorder A delusion is a fixed false belief based on an inaccurate interpretation of an external reality despite evidence to the contrary. The diagnosis of a d ... Read the Article 1.25 10 Activity Info
Dementia Dementia describes an overall decline in memory and other thinking skills severe enough to reduce a person's ability to perform everyday activities. I ... Read the Article 2 26 Activity Info
Dengue Fever Dengue is a mosquito-transmitted virus and the leading cause of arthropod-borne viral disease in the world. It is also known as breakbone fever due to ... Read the Article 1 7 Activity Info
Dental Abscess Dental infections, while relatively straightforward regarding diagnosis and access, can be challenging to manage acutely. Dental abscesses or periapic ... Read the Article 1 4 Activity Info
Dental Caries Dental caries is a common chronic infectious, transmissible disease resulting from tooth-adherent specific bacteria, primarily Streptococcus Mutans th ... Read the Article 1 5 Activity Info
Dental Infections Dental infections originate in the tooth or its supporting structures and can spread to the surrounding tissue. Dental infections were, historically, ... Read the Article 1 5 Activity Info
Depolarizing Neuromuscular Blocking Drugs Neuromuscular blocking agents are commonly used to paralyze patients requiring intubation whether in an emergency as a life-saving intervention or as ... Read the Article 1 7 Activity Info
Dextroamphetamine-Amphetamine Dextroamphetamine/amphetamine belongs to a class of drugs known as central nervous system stimulants. The Drug Enforcement Administration/Food and Dru ... Read the Article 1 4 Activity Info
Dextromethorphan Dextromethorphan received FDA approval in 1958 for its use as a cough suppressant. It is one of the most common compounds found in most over-the-count ... Read the Article 1 4 Activity Info
Dextromethorphan Toxicity Dextromethorphan is a drug used in many over-the-counter cough and cold medicines for its antitussive effects. It comes in oral strips, lozenges, liqu ... Read the Article 1 4 Activity Info
Diabetes Insipidus Diabetes insipidus (DI) is a disease process that results in either decreased release of antidiuretic hormone (ADH, also known as vasopressin or AVP) ... Read the Article 1.5 18 Activity Info
Diabetes Mellitus Diabetes mellitus (DM) is a disease of inadequate control of blood levels of glucose. It has many subclassifications, including type 1, type 2, maturi ... Read the Article 2 27 Activity Info
Diabetes Mellitus Type 1 Type 1 diabetes mellitus (T1DM) is an autoimmune disease that leads to the destruction of insulin-producing pancreatic beta cells. Insulin is an essen ... Read the Article 1.25 9 Activity Info
Diabetic Foot Infections There are approximately 29 million people with diabetes in the United States, and approximately 25% of people older than age of 65 have diabetes. The ... Read the Article 1 7 Activity Info
Diabetic Foot Ulcer Diabetic foot ulcers are among the most common complications of patients who have diabetes mellitus which is not well controlled. It is usually the re ... Read the Article 1.25 11 Activity Info
Diabetic Gastroparesis Gastroparesis is defined by objective delaying of gastric emptying without any evidence of mechanical obstruction. Diabetic gastroparesis is a potenti ... Read the Article 1 7 Activity Info
Diabetic Perioperative Management With the rising prevalence of diabetes mellitus; an increasing number of people with diabetes undergo surgery each year. This activity highlights the ... Read the Article 1.25 7 Activity Info
Diabetic Ulcer Diabetes mellitus is a metabolic endocrine disorder due to an overall deficiency of insulin (Type 1) or defective insulin function (Type 2) which caus ... Read the Article 1.25 10 Activity Info
Dialysis Catheter Dialysis catheters are artificial indwelling transcutaneous conduits used to access the intravascular space or intraperitoneal space for renal replace ... Read the Article 1.25 7 Activity Info
Diaphragm Disorders The diaphragm is a vital organ for mammals as it is the primary muscle for respiration. Diaphragmatic paralysis is the loss of its muscular power and ... Read the Article 1 6 Activity Info
Diaphragm Rupture Diaphragmatic injuries are relatively uncommon, representing less than 1% of traumatic injuries. They are typically considered a marker of severe trau ... Read the Article 1.25 8 Activity Info
Diaphragm Trauma The diagnosis of traumatic diaphragm injuries (TDI) can be difficult but is critical, as a delayed diagnosis can carry significant sequelae. TDIs can ... Read the Article 1.25 5 Activity Info
Diaphragmatic Hernia A diaphragmatic hernia (DH) is a protrusion of abdominal contents into the thoracic cavity as a result of a defect within the diaphragm. It is most co ... Read the Article 1 7 Activity Info
Diaphyseal Femur Fracture Diaphyseal femur fractures are commonly encountered in association with other high-energy injuries. These injuries can lead to life-threatening sequel ... Read the Article 1.25 9 Activity Info
Diazepam Diazepam is a benzodiazepine medication that is FDA approved for the management of anxiety disorders, short-term relief of anxiety symptoms, spasticit ... Read the Article 1.25 10 Activity Info
Diclofenac Diclofenac is a medication used in the management and treatment of inflammatory conditions and pain. It is in the class of non-steroidal anti-inflamma ... Read the Article 1 6 Activity Info
Difficult Airway A difficult airway is a clinical situation wherein a healthcare provider who is skilled at airway management experiences difficulty with one or more r ... Read the Article 1.25 10 Activity Info
Diffuse Toxic Goiter Goiter is an anatomical enlargement of the thyroid gland. It can be related with thyroid dysfunction or have normal thyroid function. This activity re ... Read the Article 1 5 Activity Info
Digit Amputation Digital amputation is often associated with traumatic injuries but is also seen within the elective surgery setting, such as in the case of cancer res ... Read the Article 1 5 Activity Info
Digital Nerve Block The digital nerve block is a simple procedure that can be performed to provide immediate anesthesia for a multitude of injuries and procedures, such a ... Read the Article 1 6 Activity Info
Digitalis Toxicity Digoxin is a well-known cardiac glycoside and one of the oldest drugs used today in cardiovascular medicine. It has wide-ranging beneficial effects an ... Read the Article 1 6 Activity Info
Digoxin Digoxin is a medication used to manage and treat heart failure and certain arrhythmias, and abortion. It is in the cardiac glycoside class of drugs. T ... Read the Article 1.75 24 Activity Info
Digoxin Immune Fab Digoxin immune fab is a medication used in the management and treatment of digoxin toxicity. Most toxicity cases are seen in patients with a past medi ... Read the Article 1 6 Activity Info
Digoxin Toxicity Digoxin is a cardiac glycoside derived from the foxglove plant (digitalis species). It has inotropic effects and is utilized in the management of syst ... Read the Article 1.25 10 Activity Info
Dilated Cardiomyopathy Dilated Cardiomyopathy (DCM) is a disease of the heart muscle characterized by enlargement and dilation of one or both of the ventricles along with im ... Read the Article 1.25 11 Activity Info
Diltiazem Diltiazem is an oral and parenteral non-dihydropyridine calcium channel blocker. It is used in many clinical scenarios as an antihypertensive, anti-ar ... Read the Article 1 7 Activity Info
Diphenhydramine Diphenhydramine, which is available as an over-the-counter medication, is a first-generation antihistamine that is used in a variety of conditions to ... Read the Article 1 6 Activity Info
Diphenhydramine Toxicity Diphenhydramine is most often used for the treatment of nausea, vomiting, allergic rhinitis, mild to severe allergic reactions (e.g., anaphylaxis), an ... Read the Article 1.25 9 Activity Info
Diphenoxylate and Atropine Diphenoxylate/atropine combination is a medication used in the management and treatment of diarrhea. It is in the antimotility class of drugs. This ac ... Read the Article 1.25 11 Activity Info
Diphtheria Diphtheria is a toxin-mediated infection caused by Corynebacterium species, primarily Corynebacterium diphtheria. It causes skin and mucosal infection ... Read the Article 1.25 13 Activity Info
Diphyllobothrium Latum Diphyllobothriasis is a zoonotic infection that suffers from a lack of awareness in the medical field but has seen a recent resurgence in cases global ... Read the Article 1.25 8 Activity Info
Direct Laryngoscopy Direct laryngoscopy allows visualization of the larynx. It is used during general anesthesia, for surgical procedures of the larynx, and during resusc ... Read the Article 1 7 Activity Info
Disc Herniation A herniated disc is a condition affecting the spine in which the annulus fibrosus is damaged enabling the nucleus pulposus (which is normally located ... Read the Article 1.25 11 Activity Info
Disk Battery Ingestion Disk batteries (or button batteries) are found in many consumer electronics. The last few decades have seen an increase in demand for compact electron ... Read the Article 1 6 Activity Info
Diskitis Discitis is a serious but uncommon medical diagnosis. It is an infection of the intervertebral disc space. The role of the intervertebral discs is to ... Read the Article 1 7 Activity Info
Disseminated Intravascular Coagulation Disseminated intravascular coagulation can be defined is a widespread hypercoagulable state that can lead to both microvascular and macrovascular clot ... Read the Article 1.75 22 Activity Info
Distal Femur Fractures Distal femur fractures include fractures of the supracondylar and intercondylar region of the distal femur and are relatively common injuries. To avo ... Read the Article 1.5 13 Activity Info
Distal Humerus Fractures Distal humerus fractures in the adult population represent about 2% of all fractures and 33% of all humerus fractures. They typically present in a bim ... Read the Article 1 4 Activity Info
Distal Radius Fractures Emergency Department and primary care clinics are frequently called on to evaluate orthopedic complaints. It is essential for most providers to feel c ... Read the Article 1.25 11 Activity Info
Distributive Shock As is true of the four broad classifications of shock, distributive shock, also known as vasodilatory shock, causes inadequate tissue perfusion. In di ... Read the Article 1 5 Activity Info
Disulfiram Disulfiram is one of three drugs approved by the Federal Drug Administration (FDA) to treat alcohol dependence. It is a second-line option (acamprosat ... Read the Article 1 6 Activity Info
Diverticulosis Diverticulosis is a clinical condition in which multiple sac-like protrusions (diverticula) develop along the gastrointestinal tract. Though diverticu ... Read the Article 1 5 Activity Info
Diving Gas Embolism Diving using an underwater breathing apparatus (UBA) of any type involves inspiration of compressed gas by the diver at pressures above normal surface ... Read the Article 1 5 Activity Info
Dix Hallpike Maneuver Vertigo can be challenging to evaluate and treat. It can arise from a slew of vastly different pathophysiologies, with acuity ranging from minimally c ... Read the Article 1 4 Activity Info
Dobutamine The FDA approveD dobutamine for short-term use in patients with decreased contractility due to heart failure or cardiac surgical procedures leading to ... Read the Article 1 6 Activity Info
Domestic Violence Family and domestic violence is a common problem in the United States, affecting an estimated 10 million people every year; as many as one in four wom ... Read the Article 1.75 18 Activity Info
Dopamine Dopamine is a peripheral vasostimulant used to treat low blood pressure, low heart rate, and cardiac arrest. Low infusion rates (0.5 to 2 micrograms/k ... Read the Article 1.25 9 Activity Info
Dopamine Agonists Dopamine agonists are used in patients with Parkinson disease. Dopamine agonists, such as ropinirole, are the first-line treatment for restless legs s ... Read the Article 1.25 7 Activity Info
Doxylamine Doxylamine is a medication used to manage and treat nausea and vomiting of pregnancy (NVP), allergic rhinitis, and insomnia. It is in the first-genera ... Read the Article 1 6 Activity Info
Dressler Syndrome Dressler syndrome, also known as postmyocardial infarction syndrome, is a form of secondary pericarditis with or without pericardial effusion that occ ... Read the Article 1.25 10 Activity Info
Drowning Drowning is defined as a process of experiencing respiratory impairment from submersion/immersion in a liquid medium. To delineate the incident's outc ... Read the Article 1 7 Activity Info
Drug Addiction The laymen's definition of addiction is a "fact or condition of being addicted to a particular substance, thing, or activity." Medically it is a "chro ... Read the Article 1.75 20 Activity Info
Drug and Alcohol Use The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition includes 10 separate classes of drugs of abuse, which include alcohol, caffei ... Read the Article 1.25 7 Activity Info
Drug Induced Esophagitis Drugs can be damaging to the esophageal wall by having a direct toxic effect on the esophageal mucosa. They may produce a caustic effect by creating a ... Read the Article 1 5 Activity Info
Drug Induced Hepatotoxicity Drug-induced hepatotoxicity is an acute or chronic liver injury secondary to drugs or herbal compounds. It is difficult to diagnose because the presen ... Read the Article 1 6 Activity Info
Drug Metabolism Most drugs undergo chemical alteration by various bodily systems as a way to create compounds that are more easily excreted from the body. These chemi ... Read the Article 1 7 Activity Info
Drug Testing Broadly defined, drug testing is the process of using a biological sample to detect the presence or absence of a drug or its metabolites. This process ... Read the Article 1 5 Activity Info
Duodenal Perforation Duodenal perforations can either be free or contained. Free perforation arises when bowel contents leak freely into the abdominal cavity and causing d ... Read the Article 1.5 14 Activity Info
Duodenal Ulcer Duodenal ulcers occur when there is a disruption to the surface of the mucosa of the duodenum. These ulcers are part of peptic ulcer disease, which in ... Read the Article 1.25 13 Activity Info
Dysphagia Dysphagia is defined as objective impairment or difficulty in swallowing, resulting in an abnormal delay in the transit of a liquid or solid bolus. Th ... Read the Article 1.5 14 Activity Info
Dyspnea on Exertion Dyspnea, also called shortness of breath, is a patient's perceived difficulty to breathe. Sensations and intensity can vary and are subjective. It is ... Read the Article 1.25 10 Activity Info
Dystonia Dystonia is defined by involuntary maintained contraction of agonist and antagonist muscles yielding abnormal posturing, twisting and repetitive movem ... Read the Article 1 6 Activity Info
Dystonic Reactions An acute dystonic reaction is characterized by involuntary contractions of muscles of the extremities, face, neck, abdomen, pelvis, or larynx in eithe ... Read the Article 1.25 12 Activity Info
Dysuria Dysuria is a symptom of pain and/or burning, stinging, or itching of the urethra or urethral meatus with urination. It is a very common urinary sympto ... Read the Article 1 4 Activity Info
Ear Foreign Body Removal The management of foreign bodies located in the external auditory canal can be nuanced, and for some medical professionals, may be intimidating if not ... Read the Article 1 6 Activity Info
Echocardiogram Cardiac echocardiography is a safe and non-invasive test that provides the clinical team with important cardiac function data. This functional data is ... Read the Article 1.25 8 Activity Info
Eclampsia This article discusses preeclampsia and eclampsia, one of the four categories of hypertensive disorders of pregnancy. Eclampsia is a severe complicati ... Read the Article 1.25 8 Activity Info
Ectopic Pregnancy An ectopic pregnancy occurs when fetal tissue implants outside of the uterus or attaches to an abnormal or scarred portion of the uterus. Ectopic preg ... Read the Article 1.5 18 Activity Info
Ectopic Pregnancy, Ultrasound Ectopic pregnancy is a diagnosis that is quite challenging to make. It has been estimated that 40% of ectopic pregnancies go undiagnosed on initial pr ... Read the Article 1 5 Activity Info
Eczema Eczema, also known as atopic dermatitis, is a common chronic skin condition that can lead to recurrent infections and poor quality of life if left unt ... Read the Article 1 5 Activity Info
Elbow Arthrocentesis Elbow arthrocentesis is a procedure performed to aspirate the contents of a joint cavity to evaluate and treat elbow effusion. This activity reviews t ... Read the Article 1 5 Activity Info
Elbow Dislocation Elbow dislocations are a common large joint dislocation experienced in children and adults. They can occur with associated fractures or damage to surr ... Read the Article 1.25 8 Activity Info
Elbow Fractures Overview The most common type of fracture in the pediatric population is elbow fractures. Most commonly, individuals fall on their outstretched hand. Prompt a ... Read the Article 1 6 Activity Info
Elbow Trauma Elbow trauma is a common occurrence in children and athletes and can cause a broad array of injury patterns ranging from mild soft tissue injuries and ... Read the Article 1 6 Activity Info
Elder Abuse Elder abuse comes in many forms, including physical, psychological, and sexual abuse, as well as less obvious forms such as financial exploitation and ... Read the Article 1 5 Activity Info
Electrical Burns Electrical injuries are when high-energy current travels through the body due to contact with an electrical source. Injuries occur due to either the f ... Read the Article 1 6 Activity Info
Electrical Injuries Electrical injuries are a complex form of trauma that is often associated with high morbidity and mortality. The severity of the injuries depends upon ... Read the Article 1.25 6 Activity Info
Electrical Right and Left Axis Deviation One of the key steps in interpreting an electrocardiogram (EKG) is determining the electrical axis of the heart. Being able to determine the electrica ... Read the Article 1 5 Activity Info
Electrocardiogram Electrocardiogram (abbreviated as EKG or ECG) represents a recording of the electrical activity of the heart. Willem Einthoven first invented it in 1 ... Read the Article 1.25 14 Activity Info
Electroencephalogram An electroencephalogram (EEG) is an essential tool that studies the brain's electrical activity. Despite the development of more advanced imaging tech ... Read the Article 1 4 Activity Info
Electronic Vaping Delivery Of Cannabis And Nicotine This activity outlines the current scientific literature and knowledge of the risks and benefits of inhaling nicotine through proprietary devices. It ... Read the Article 1 5 Activity Info
Elevated Hemidiaphragm Elevated hemidiaphragm occurs most commonly from direct or indirect injury to the phrenic nerve. It is often found as an incidental finding on diagnos ... Read the Article 1 5 Activity Info
Embolic Stroke Embolic stroke is one of the most common causes of mortality and morbidity all over the world. To avoid the high morbidity and mortality associated wi ... Read the Article 1 5 Activity Info
Emergency Room Thoracotomy An emergency room thoracotomy is performed in selected cases of direct thoracic injury concurrently with ACLS/ATLS resuscitation. Survival rates are l ... Read the Article 1.25 10 Activity Info
Emphysema Pulmonary emphysema, a progressive lung disease, is a form of chronic obstructive pulmonary disease (COPD). Global Initiative for Chronic Obstructive ... Read the Article 1.25 8 Activity Info
Empyema Empyema is defined as a collection of pus in the pleural cavity, gram-positive, or culture from the pleural fluid. Empyema is usually associated with ... Read the Article 1.25 11 Activity Info
EMS Pre-Hospital Evaluation and Treatment of Asthma in Children Asthma is the most common chronic childhood disease and a frequent reason for pediatric emergency medical treatment. This activity reviews emergency m ... Read the Article 1 5 Activity Info
EMS Resuscitation During Contamination While Wearing PPE In a world of evolving disease, accidental industrial or commercial contamination, as well as foreign and domestic terrorism, emergency providers must ... Read the Article 1 6 Activity Info
Endocarditis Infective endocarditis is a substantial cause of morbidity and mortality in children and adolescents despite new advantages in management and prophyla ... Read the Article 1 7 Activity Info
Endometritis Endometritis is inflammation of the uterine lining. It can affect all layers of the uterus. The uterus is typically aseptic. However, the travel of mi ... Read the Article 1 6 Activity Info
Endotracheal Tube In its simplest form, the endotracheal tube is a tube constructed of polyvinyl chloride that is placed between the vocal cords through the trachea. It ... Read the Article 1.5 16 Activity Info
Endotracheal Tube Intubation Techniques Endotracheal intubation is an essential resuscitative procedure in the emergency setting. Direct and video laryngoscopy are the two most common approa ... Read the Article 1.25 9 Activity Info
End-Stage Renal Disease More than 500,000 people in the United States live with end-stage renal disease (ESRD). The development of chronic kidney disease (CKD) and its progre ... Read the Article 1.25 9 Activity Info
Entamoeba Histolytica Entamoeba histolytica is a protozoan that causes intestinal amebiasis as well as extra-intestinal manifestations. Although 90 percent of E. histolytic ... Read the Article 1 6 Activity Info
Enterobius Vermicularis Enterobius vermicularis, also called pinworm, is one of the most common helminth infections in the world, with most cases occurring in children. This ... Read the Article 1 5 Activity Info
Enterohemorrhagic Escherichia Coli Enterohemorrhagic Escherichia coli (EHEC) is a bacterial infection resulting in bloody dysentery and an increased risk of hemolytic uremic syndrome (H ... Read the Article 1 7 Activity Info
Enterovesical Fistula An enterovesical fistula is a pathologic connection between the bowel and the bladder. This activity reviews the evaluation, diagnosis, and treatment ... Read the Article 1 5 Activity Info
Enterovirus Enteroviruses are a class of viruses comprising over 300 serotypes. These ubiquitous viruses cause a wide spectrum of diseases with heterogeneous pres ... Read the Article 1 5 Activity Info
Epididymitis Epididymitis is an inflammation of the epididymis, a tubular structure on the testis where sperms mature. Epididymitis is a relatively common conditio ... Read the Article 1.25 10 Activity Info
Epidural Abscess An epidural abscess is an infection within the epidural space anywhere in the brain or spinal cord. Epidural abscesses occur as a result of infections ... Read the Article 1.25 9 Activity Info
Epidural Hematoma An epidural hematoma (EDH) is an extra-axial collection of blood within the potential space between the outer layer of the dura mater and the inner ta ... Read the Article 1.5 14 Activity Info
Epiglottitis Epiglottitis is an inflammatory condition of the epiglottis and/or nearby structures including the arytenoids, aryepiglottic folds, and vallecula. Epi ... Read the Article 1.25 13 Activity Info
Epinephrine Epinephrine is one of the most commonly used agents in various settings as it functions as medication and hormone. It is currently FDA-approved for va ... Read the Article 1.5 16 Activity Info
Epistaxis Epistaxis (nosebleed) is one of the most common ear, nose, and throat (ENT) emergencies that present to the emergency room or primary care. There are ... Read the Article 1.25 9 Activity Info
Epstein Barr Virus Epstein Barr virus (EBV) is a herpesvirus in which over 90% of the population worldwide has been infected. EBV infection can range from asymptomatic t ... Read the Article 1 4 Activity Info
Eptifibatide Eptifibatide is a glycoprotein IIb/IIIa class platelet inhibitor drug used to reduce ischemic cardiac events in specific patient populations. This act ... Read the Article 1 5 Activity Info
Ergotamine/Caffeine The combination of ergotamine and caffeine is a medication used in the management and treatment of acute migraines. It is in the ergot alkaloid class ... Read the Article 1.25 9 Activity Info
Erysipelas Erysipelas is a skin infection involving the dermis layer of the skin, but it may also extend to the superficial cutaneous lymphatics. It is character ... Read the Article 1 7 Activity Info
Erythema Infectiosum Erythema infectiosum, also known as fifth disease, is a common viral exanthem caused by parvovirus B19. It is commonly seen in children between five a ... Read the Article 1.5 16 Activity Info
Erythema Marginatum Erythema marginatum is reactive inflammatory erythema seen most commonly in association with acute rheumatic fever. Although a rare cutaneous manifest ... Read the Article 1 6 Activity Info
Erythema Nodosum Erythema nodosum (EN) is a common acute nodular septal panniculitis, characterized by the sudden onset of erythematous, firm, solid, deep nodules or p ... Read the Article 1.25 10 Activity Info
Erythromycin Erythromycin has traditionally been used for various respiratory infections (i.e., community-acquired pneumonia, Legionnaires disease), prophylaxis of ... Read the Article 1.25 8 Activity Info
Erythropoietin Erythropoietin (EPO) is a glycoprotein hormone, naturally produced by the peritubular cells of the kidney, that stimulates red blood cell production. ... Read the Article 1 7 Activity Info
Escharotomy Burns commonly present acutely. They can be due to many modalities, including thermal, chemical, electrical, or radiation. Often, burns result in supe ... Read the Article 1 7 Activity Info
Escherichia Coli (E Coli 0157 H7) Shiga toxin-producing Escherichia coli O157: H7, is an enterohemorrhagic bacterial strain that is an important food and a waterborne pathogen that cau ... Read the Article 1 6 Activity Info
Escitalopram Escitalopram is a medication used in the management and treatment of major depressive disorder and generalized anxiety disorder. It is in the selectiv ... Read the Article 1 6 Activity Info
Esmolol Esmolol (esmolol hydrochloride) is an intravenous cardioselective beta-1 adrenergic antagonist. Esmolol is used in various settings, including urgent ... Read the Article 1 5 Activity Info
Esophageal Perforation And Tears Esophageal perforation poses a significant interprofessional challenge to the entire therapeutic team. It can occur in three different anatomical comp ... Read the Article 1.25 13 Activity Info
Esophageal Stricture An esophageal stricture is an abnormal narrowing of the esophageal lumen. It often presents with difficulty swallowing and has many potential etiologi ... Read the Article 1.5 13 Activity Info
Esophageal Trauma Esophageal injury (EI) is a rare but challenging clinical finding in the setting of trauma. Esophageal injuries or perforations are transmural disrupt ... Read the Article 1.25 6 Activity Info
Esophageal Varices Esophageal varices are dilated submucosal distal esophageal veins connecting the portal and systemic circulations. They form due to portal hypertensio ... Read the Article 1.5 19 Activity Info
Esophagial Foreign Body Most patients who present for evaluation of a foreign body in the esophagus do so after accidental ingestion of a known object, and the patient has mi ... Read the Article 1.25 13 Activity Info
Esophagogastroduodenoscopy Esophagogastroduodenoscopy (EGD) is a diagnostic endoscopic procedure used to visualize the oropharynx, esophagus, stomach, and proximal duodenum. It ... Read the Article 1 5 Activity Info
Essential Hypertension The current definition of hypertension (HTN) is systolic blood pressure (SBP) values of 130mmHg or more and/or diastolic blood pressure (DBP) more tha ... Read the Article 1.5 18 Activity Info
Ethanol Ethanol is an alcohol by chemical composition, used in the management and treatment of methanol/ethylene glycol toxicity. Ethanol has also been used e ... Read the Article 1 4 Activity Info
Ethanol Toxicity Ethanol toxicity results from the ingestion of large amounts of ethanol, usually in the form of alcohol. It affects multiple organ systems in both the ... Read the Article 1 4 Activity Info
Ethylene Glycol Toxicity Ethylene glycol (C2H6O2) is a toxic alcohol that is found in various household and industrial agents. Ethylene glycol exposure can be extremely danger ... Read the Article 1.25 7 Activity Info
Ethylenediaminetetraacetic Acid (EDTA) Ethylenediaminetetraacetic acid (EDTA) is a medication used in the management and treatment of heavy metal toxicity. It is in the chelating class of d ... Read the Article 1 4 Activity Info
Etomidate Etomidate is an ultrashort-acting, non-barbiturate hypnotic intravenous anesthetic agent. It is administered only by intravenous route. Etomidate has ... Read the Article 1 6 Activity Info
Evaluation and Treatment of Snake Envenomations Snakebites are responsible for a significant degree of morbidity and mortality worldwide, especially in low resource countries. There are over 600 spe ... Read the Article 1 6 Activity Info
Excited Delirium Delirium is understood as a complex neuropsychiatric syndrome that is characterized by disturbances in consciousness, orientation, memory, thought, pe ... Read the Article 1.25 8 Activity Info
Exenatide Exenatide is FDA-indicated to improve glycemic control in adult patients with type 2 diabetes mellitus when used as an adjunct to diet and exercise. I ... Read the Article 1 5 Activity Info
Exophthalmos Exophthalmos is the protrusion of one or both eyes anteriorly out of the orbit due to an increase in orbital contents within the rigid bony orbit. It ... Read the Article 1 3 Activity Info
External Hemorrhoid Hemorrhoid disease is a common pathology that can yield symptoms ranging from minimal discomfort or inconvenience to excruciating pain and significant ... Read the Article 1.25 9 Activity Info
External Pacemaker External pacing is one of the fastest methods for treating multiple types of conduction abnormalities. It can be applied in the hospital setting or by ... Read the Article 1 6 Activity Info
Extrapyramidal Symptoms Extrapyramidal side effects (EPS), commonly referred to as drug-induced movement disorders are among the most common adverse drug effects patients exp ... Read the Article 1.25 8 Activity Info
Extubation Extubation is the removal of an endotracheal tube (ETT), which is the last step in liberating a patient from the mechanical ventilator. To discuss the ... Read the Article 1 6 Activity Info
Eye Trauma Imaging Imaging plays an important role in the diagnosis and management of trauma to the eye. In addition to computed tomography, which is the primary imaging ... Read the Article 1 6 Activity Info
Eyelid Laceration Eyelid lacerations are managed differently depending on the depth, width, and location of the injury. Surgical management will be broken down into the ... Read the Article 1 5 Activity Info
Facet Joint Disease Facet joint disease is a condition in which the joints of the spine become a source of pain. This is a very common disease process and its prevalence ... Read the Article 1 6 Activity Info
Facial Burns Burn injuries are a significant health issue and are a leading cause of accidental death or injury in the U.S. Burns to the face can affect many speci ... Read the Article 1.5 13 Activity Info
Facial Nerve Palsy Facial nerve palsies are a common and essential presentation specifically to ear, nose, and throat (ENT) surgeons but also in general medical practice ... Read the Article 1 5 Activity Info
Facial Nerve Trauma Facial nerve palsy is a common presentation to family doctors, the emergency department, and otolaryngologists. Trauma accounts for 10% to 23% of all ... Read the Article 1.25 6 Activity Info
Factitious Disorder Factitious disorder is a condition in which a patient intentionally falsifies medical or psychiatric symptoms. Symptoms can be self-induced or fabric ... Read the Article 1 6 Activity Info
Factitious Hypoglycemia Factitious hypoglycemia is the intentional attempt to induce low blood glucose levels and remains one of the diagnostic challenges that face endocrino ... Read the Article 1 5 Activity Info
Factor XIII Deficiency Factor XIII deficiency is a rare bleeding disorder that is challenging to recognize clinically. The lab tests such as the prothrombin time, INR, and a ... Read the Article 1 6 Activity Info
Falls and Fall Prevention In The Elderly Falls account for one of the most common and serious issues contributing to a disability, especially among elderly individuals. Tinetti et al. in 1988 ... Read the Article 1.5 18 Activity Info
Familial Hypertriglyceridemia Familial hypertriglyceridemia (type IV familial dyslipidemia) is a disorder characterized by the overproduction of very low-density lipoproteins (VLDL ... Read the Article 1 5 Activity Info
Fascial Dehiscence Fascial dehiscence is a significant complication of abdominal surgery, particularly cases done in an emergent setting. Associated bowel obstructions a ... Read the Article 1 6 Activity Info
Fasciotomy A fasciotomy procedure is a procedure used to decompress acute compartment syndrome. Most commonly, acute compartment syndrome occurs in the leg and t ... Read the Article 1 5 Activity Info
Fat Embolism Fat embolism (FE) and fat embolism syndrome (FES) are a clinical phenomenon that are characterized by systemic dissemination of fat emboli within the ... Read the Article 1.25 7 Activity Info
Fatty Liver In Pregnancy Acute fatty liver in pregnancy (AFLP) is an obstetric emergency and carries high morbidity and mortality, including death in the mother and her fetus. ... Read the Article 1 5 Activity Info
Features, Evaluation, and Treatment of Coronavirus (COVID-19) Coronavirus disease 2019 (COVID-19), the highly contagious infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), ... Read the Article 1.5 9 Activity Info
Febrile Neutropenia Neutropenic fever is defined as a single oral temperature greater than or equal to 101 F, or a temperature greater than or equal to 100.4 F for at lea ... Read the Article 1.25 9 Activity Info
Febrile Seizure Febrile seizures are seizures that are caused by a sudden spike in body temperature with fevers greater than 38C or 100.4F, with no other underlying s ... Read the Article 1.25 9 Activity Info
Fecal Impaction Fecal impaction occurs because of hardened fecal matter retained in the large bowel which cannot be evacuated by regular peristaltic activity. If this ... Read the Article 1 5 Activity Info
Feeding Jejunostomy Tube The feeding jejunostomy tube is a method of delivering feeds through jejunal access in the small bowel. It is used when there is a contraindication to ... Read the Article 1 7 Activity Info
Feeding Tube Feeding tubes are tubes inserted into the gastrointestinal tract to provide a patient with enteral nutrition or for decompression. Tubes come in a var ... Read the Article 1 4 Activity Info
Felon A felon is an infection that occurs within the closed-space compartments of the fingertip pulp. The swelling leads to intense throbbing pain. The sur ... Read the Article 1 5 Activity Info
Female Urinary Retention Urinary retention, or the inability to voluntarily void urine, is one of the most prevalent presenting urologic complaints in the emergency department ... Read the Article 1 5 Activity Info
Femoral Hernia Femoral hernias are less frequent than inguinal hernias. Recognition of a femoral hernia is an important factor in the workup and evaluation of a pati ... Read the Article 1 4 Activity Info
Femoral Neck Fractures Hip fractures are common injuries. Femoral neck fractures are a specific type of intracapsular hip fracture. The femoral neck connects the femoral sha ... Read the Article 1.75 20 Activity Info
Femoral Shaft Fractures Femoral shaft fractures are a common orthopedic injury occurring in high energy trauma or low energy trauma in the elderly. Femoral shaft fractures ar ... Read the Article 1.5 13 Activity Info
Femur Immobilization The need to immobilize the femur is primarily due to fractures and dislocations. Each of these injuries dictates a specific immobilization and stabili ... Read the Article 1 5 Activity Info
Fenoldopam Fenoldopam is used primarily for the lowering of blood pressure during episodes of severe hypertension. Fenoldopam has a unique mechanism of action co ... Read the Article 1 5 Activity Info
Fentanyl Transdermal Transdermal fentanyl is a medication used in the management and treatment of chronic pain and cancer pain. It is part of the opioid class of drugs. Th ... Read the Article 1.25 10 Activity Info
Fever In A Neonate The World Health Organization categorizes neonatal sepsis as early or late based on the age of onset. Early neonatal sepsis affects infants less than ... Read the Article 1 5 Activity Info
Fever of Unknown Origin Fever of unknown origin (FUO) was first described by Dr. Petersdorf and Dr. Beesom in 1961. FUO was defined as a temperature of 101 degrees Fahrenheit ... Read the Article 1 5 Activity Info
Fibrinogen Fibrinogen is a 340kDa hexameric plasma glycoprotein synthesized by the liver and is the major structural component of a clot. The type of fibrinogen ... Read the Article 1 5 Activity Info
Fibromyalgia Fibromyalgia is a condition characterized by chronic widespread musculoskeletal pain. This activity illustrates the evaluation and management of fibro ... Read the Article 1.5 16 Activity Info
Fibula Fractures Isolated fibula fractures are quite rare, much less common than fibula fractures with associated ligamentous involvement and/or tibia fractures. Fortu ... Read the Article 1 7 Activity Info
Fifth Metacarpal Fractures Metacarpal fractures account for 40% of all hand fractures. A fracture of the neck of the fifth metacarpal, or boxer's fracture, named for the classic ... Read the Article 1 5 Activity Info
Filariasis Lymphatic filariasis is a neglected tropical disease that causes significant morbidity in the developing world. This activity reviews the evaluation, ... Read the Article 1 6 Activity Info
Finger Dislocation Finger joint dislocation is a common hand injury. Finger dislocation can occur at the proximal interphalangeal (PIP), distal interphalangeal (DIP), or ... Read the Article 1 6 Activity Info
Fingertip Injuries The fingertip is the most distal portion of the finger providing the tactile and sensory functions that are then relayed to the brain. It is anatomica ... Read the Article 1 6 Activity Info
Fire Ant Bites Fire ants tend to be an aggressive insect that will sting causing very painful reactions. There are two types of fire ants which belong to the Soleno ... Read the Article 1 5 Activity Info
First Degree Burn First-degree burns are superficial burns involving the epidermal layer of skin. The skin is the largest organ of the human body, with its weight compr ... Read the Article 1 3 Activity Info
First Degree Heart Block First-degree atrioventricular (AV) block is a condition of abnormally slow conduction through the AV node. It is defined by ECG changes that include a ... Read the Article 1 5 Activity Info
Fitz-Hugh-Curtis Syndrome Fitz-Hugh-Curtis syndrome is inflammation of the liver capsule with adhesion formation resulting in right upper quadrant pain. It is an uncommon, chro ... Read the Article 1 6 Activity Info
Flail Chest Flail chest is a traumatic condition of the thorax. It may occur when 3 or more ribs are broken in at least 2 places. It is considered a clinical diag ... Read the Article 1 7 Activity Info
Flea Bites Flea bites are common in North America, especially in outdoor or unkempt conditions. Improving the interprofessional team's skills to educate patients ... Read the Article 1 6 Activity Info
Flexor Tendon Lacerations Flexor tendon injury is frequently seen in household accidents involving knives, glass, or mirror injuries, but also can be due to chainsaw injuries, ... Read the Article 1.25 13 Activity Info
Floating Knee As early as 1975, the term floating knee was initially used by Blake and McBryde to describe fractures of the ipsilateral femur and tibia. Fractures c ... Read the Article 1 5 Activity Info
Fluid Management Hospitalized patients often have conditions that impair their ability to regulate their hydration status. Improper fluid management leads to significa ... Read the Article 1.25 9 Activity Info
Fluid Resuscitation The primary role of fluid resuscitation is to maintain organ perfusion (hemodynamics) and substrate (oxygen, electrolytes, among others) delivery thro ... Read the Article 1 6 Activity Info
Flumazenil Flumazenil is a benzodiazepine antagonist. The primary FDA-approved clinical uses for flumazenil include reversal agents for benzodiazepine overdose a ... Read the Article 1 7 Activity Info
Fluorescein Fluorescein is a diagnostic contrast agent particularly used in various ophthalmic procedures, such as checking for any corneal or vessel abnormalitie ... Read the Article 1 5 Activity Info
Fluorides and Fluorocarbons Toxicity Fluorocarbons are fluorinated carbon chain polymers that are used in an assortment of household and commercial products as waterproofing agents, lubri ... Read the Article 1 5 Activity Info
Fluoxetine Fluoxetine is FDA-approved for major depressive disorder (age eight and older), obsessive-compulsive disorder, panic disorder, bulimia, binge eating d ... Read the Article 1.25 9 Activity Info
Focused Assessment with Sonography for Trauma Traumatic injury is the leading cause of death among individuals younger than 45 years old. Eighty percent of traumatic injury is blunt with the major ... Read the Article 1.25 8 Activity Info
Folic Acid Deficiency Folate is an essential water-soluble vitamin, naturally present in food, especially in fruits, green leafy vegetables, and liver. Folic acid is the s ... Read the Article 1 6 Activity Info
Food Allergies Food allergy is defined as an immune reaction to proteins in the food and can be immunoglobulin (Ig)E-mediated or non-IgE-mediated. IgE-mediated food ... Read the Article 1.25 8 Activity Info
Foot Dislocation Foot dislocations are uncommon injuries that can occur at multiple different joints of the foot. The three most common joints involved include the sub ... Read the Article 1 5 Activity Info
Forearm Compartment Syndrome Compartment syndrome is a condition in which increased tissue pressure within a limited space compromises the circulation and function of the contents ... Read the Article 1 5 Activity Info
Foreign Body Airway Obstruction According to the National Safety Council’s statistics, foreign-body airway obstruction (FBAO) is the fourth leading cause of unintentional death, resu ... Read the Article 1 5 Activity Info
Foreign Body Aspiration Foreign body aspiration remains a significant cause of death in children for anatomic as well as developmental reasons. Choking is typically defined a ... Read the Article 1 5 Activity Info
Fosphenytoin Fosphenytoin is a medication used in the management and prevention of seizures. It is a water-soluble phenytoin prodrug with the capability to be used ... Read the Article 1 4 Activity Info
Fresh Frozen Plasma (FFP) Fresh frozen plasma is indicated for the deficiency of coagulation factors with abnormal coagulation tests in the presence of active bleeding. Fresh f ... Read the Article 1 6 Activity Info
Frontal Sinus Fractures Fractures of the frontal sinus are most commonly seen in the emergency department after motor vehicle accidents (MVAs), falls, assaults, falling objec ... Read the Article 1 7 Activity Info
Frostbite Frostbite, also known as freezing cold injury is tissue damage that occurs due to cold exposure, occurring at temperatures below zero degrees celsius. ... Read the Article 1.5 17 Activity Info
Functional Abdominal Pain In Children Functional abdominal pain is a common disorder in children. The diagnostic Rome IV criteria for functional abdominal pain must be fulfilled for at lea ... Read the Article 1 6 Activity Info
Functional Asplenism As the largest lymphoid organ in the body, the spleen has a crucial function in the immune system. It is responsible for the production and maturatio ... Read the Article 1 5 Activity Info
Gabapentin Gabapentin is an anticonvulsive medication that originally saw use as a muscle relaxer and anti-spasmodic medication, but later it was discovered it h ... Read the Article 1.25 8 Activity Info
Galactorrhea Galactorrhea is milk production from the breast unrelated to pregnancy or lactation. Milk production one year after cessation of breastfeeding is non- ... Read the Article 1 4 Activity Info
Galeazzi Fractures A Galeazzi fracture is a fracture of the middle to distal third of the radius associated with dislocation or subluxation of the distal radioulnar join ... Read the Article 1 4 Activity Info
Gallbladder Empyema Empyema of the gallbladder is the most severe complication of acute cholecystitis. It is usually the result of the progression of acute cholecystitis ... Read the Article 1 4 Activity Info
Gallstones (Cholelithiasis) Gallstones or cholelithiasis are stones that form in the gallbladder composed of cholesterol, bilirubin, and bile. These stones are asymptomatic in mo ... Read the Article 1.25 12 Activity Info
Gamekeepers Thumb The metacarpophalangeal (MCP) joint of the thumb plays an important role in functional hand movements such as gripping and pinching. The radial and ul ... Read the Article 1 5 Activity Info
Gangrene Gangrene is tissue damage secondary to infection, ischemia, or both. It is a relatively uncommon condition, and early recognition is essential. Gangre ... Read the Article 1.25 7 Activity Info
Gardnerella Gardnerella vaginalis is an anaerobic bacterium that is the causative agent in bacterial vaginosis (BV). This bacteria normally is part of the vaginal ... Read the Article 1 4 Activity Info
Gas Gangrene Gas gangrene is a highly lethal infection of soft tissue, caused by Clostridium species, with Clostridium perfringens being the most common. This is s ... Read the Article 1.5 14 Activity Info
Gastric Cancer Gastric cancer is the fifth most frequently diagnosed cancer and the third leading cause of cancer deaths worldwide. The only potentially curative tre ... Read the Article 1.75 18 Activity Info
Gastric Outlet Obstruction Gastric outlet obstruction (GOO) is a result of any disease process that causes a mechanical impediment to gastric emptying. It can be caused by mecha ... Read the Article 1 6 Activity Info
Gastric Perforation Perforation of the stomach is a full-thickness injury of the wall of the organ. Since the peritoneum completely covers the stomach, perforation of the ... Read the Article 1 7 Activity Info
Gastric Ulcer Gastric ulcers are a break in the mucosa of the stomach lining that penetrates through the muscularis mucosa and extends more than 5 mm in diameter. W ... Read the Article 1.5 18 Activity Info
Gastric Volvulus Gastric volvulus is a rare, clinical event that occurs in both adults and pediatric patients. In 1886, Berti was the first to describe a gastric volvu ... Read the Article 1 6 Activity Info
Gastrocnemius Rupture Gastrocnemius injuries are common in both recreational and competitive athletes. This activity outlines the evaluation, treatment, and management of g ... Read the Article 1 5 Activity Info
Gastrocnemius Strain The gastrocnemius muscle consists of two heads. The medial head originates from the posterior medial femoral condyle while the lateral head arises fro ... Read the Article 1 7 Activity Info
Gastroesophageal Reflux Disease Gastroesophageal reflux disease (GERD) is a condition that develops when there is a retrograde flow of stomach contents back into the esophagus. It ca ... Read the Article 2.25 32 Activity Info
Gastrointestinal Bleeding Gastrointestinal bleeding can fall into two broad categories: upper and lower sources of bleeding. The anatomic landmark that separates upper and lowe ... Read the Article 1 6 Activity Info
Gastrointestinal Foreign Body Foreign body (FB) and food impaction are one of the most common gastrointestinal complaints seen in the emergency department. Foreign bodies tend to p ... Read the Article 1 6 Activity Info
Gastroparesis Gastroparesis is an uncommon condition in the community that can be associated with significant morbidity, healthcare burden and could have poor outco ... Read the Article 1 6 Activity Info
Gastrostomy Tube Replacement A gastrostomy tube (G-tube) is indicated in patients that need long-term pre-pyloric feeding. Endoscopic gastrostomy tube placement is now the preferr ... Read the Article 1 4 Activity Info
Generalized Tonic-Clonic Seizure This activity reviews generalized tonic-clonic seizures. A generalized tonic-clonic seizure, formerly known as grand mal seizure, is defined as a seiz ... Read the Article 1.25 10 Activity Info
Geriatric Cervical Spine Injury According to the National Hospital Ambulatory Medical Care Survey, there are 12 injury-related emergency department visits for every 100 persons over ... Read the Article 1 6 Activity Info
Geriatric Head Injury Elderly patients with head trauma represent a large proportion of patients seeking medical attention. There are special considerations and challenges ... Read the Article 1 5 Activity Info
Geriatric Trauma Assessment of the geriatric trauma patient is unique, and this population requires special attention. As the elderly population increases, the number ... Read the Article 1.25 7 Activity Info
Giardia Lamblia Enteritis Giardia lamblia enteritis is small-intestine gastroenteritis caused by the pathogenic protozoan Giardia lamblia, (Giardia duodenalis or Giardia intest ... Read the Article 1 7 Activity Info
Glargine Insulin Insulin glargine is used to manage and treat hyperglycemia in patients with type 1 and type 2 diabetes mellitus. It is a long-acting insulin and is us ... Read the Article 1.25 10 Activity Info
Glasgow Coma Scale The Glasgow Coma Scale (GCS) is used to objectively describe the extent of impaired consciousness in all types of acute medical and trauma patients. T ... Read the Article 1 6 Activity Info
Glenoid Fractures The glenohumeral joint is a complex joint that lacks innate stability; the humeral head relies heavily on the ligaments of the shoulder and the rotato ... Read the Article 1 6 Activity Info
Glimepiride Glimepiride is a medication used in the management and treatment of type 2 diabetes mellitus. It is in the sulfonylurea class of drugs. This activity ... Read the Article 1 5 Activity Info
Glipizide Glipizide is a second-generation sulfonylurea that is FDA-approved for the treatment of adults with diabetes mellitus type 2. It is administered as an ... Read the Article 1 7 Activity Info
Globe Rupture Globe rupture is a vision-threatening emergency. It is essential that clinicians have a high index of suspicion for globe rupture when treating patien ... Read the Article 1.25 13 Activity Info
Glomerulonephritis The term "glomerulonephritis" encompasses a subset of renal diseases characterized by immune-mediated damage to the basement membrane, mesangium, or t ... Read the Article 1.5 16 Activity Info
Glossitis Glossitis refers to inflammation of the tongue and has numerous potential etiologies. While most causes are benign or idiopathic, glossitis can be the ... Read the Article 1 5 Activity Info
Glottic Stenosis Glottic stenosis describes a narrowing of the portion of the larynx containing the vocal cords and glottic opening, otherwise known as the glottis. Gl ... Read the Article 1 5 Activity Info
Glucagon Glucagon is a medication used to manage and treat hypoglycemia as an antidote to beta-blocker and calcium channel blocker overdose, anaphylaxis refrac ... Read the Article 1 6 Activity Info
Glucose 6 Phosphate Dehydrogenase Deficiency Glucose-6-phosphate dehydrogenase is an enzyme found in the cytoplasm of all cells in the body. It is a housekeeping enzyme that plays a vital role in ... Read the Article 1 5 Activity Info
Golfers Elbow Golfer’s elbow (medial epicondylitis or pitcher's elbow) is tendinopathy caused by overuse or overload and affects the medial common flexor tendon of ... Read the Article 1.25 8 Activity Info
Gonococcal Arthritis Gonococcal arthritis is arthritis that results from the bacteremic spread of Neisseria gonorrhoeae, a sexually transmitted pathogen. It comprises loca ... Read the Article 1.25 9 Activity Info
Gonococcal Conjunctivitis Gonococcal conjunctivitis (GC), also known as gonococcal ophthalmia neonatorum when it occurs in neonates, is an infection that is transmitted by cont ... Read the Article 1 6 Activity Info
Gonorrhea Neisseria gonorrhoeae, an obligate human pathogen, is a sexually transmitted disease that causes consequential worldwide morbidity both in resource-ab ... Read the Article 1.75 21 Activity Info
Gout Gout is one of the most common causes of chronic inflammatory arthritis in the United States, which is characterized by monosodium urate (MSU) monohyd ... Read the Article 1.5 15 Activity Info
Gram Positive Bacteria Gram-positive organisms have highly variable growth and resistance patterns. The SCOPE project (Surveillance and Control of Pathogens of Epidemiologic ... Read the Article 1 5 Activity Info
Graves Disease Graves' disease is the most common cause of hyperthyroidism. It is a disorder with systemic manifestations that primarily affect heart, skeletal muscl ... Read the Article 1.5 13 Activity Info
Graves Orbitopathy Graves orbitopathy occurs in patients with Graves disease and is an autoimmune disease of retro-ocular tissue. Complications can be serious and sight- ... Read the Article 1.25 7 Activity Info
Greenstick Fracture A greenstick fracture is a partial thickness fracture where only cortex and periosteum are interrupted on one side of the bone, while they remain unin ... Read the Article 1 5 Activity Info
Grief Reaction Grief is a natural and universal response to the loss of a loved one. The grief experience is not a state but a process. Most individuals recover adeq ... Read the Article 1 6 Activity Info
Group B Coxsackie Virus Coxsackie B virus belongs to the Picornavirus family and can cause a variety of diseases, including gastrointestinal illness, myocarditis, pneumonia, ... Read the Article 1 6 Activity Info
Guillain Barre Syndrome Guillain-Barre syndrome (GBS) is a rare but serious post-infectious immune-mediated neuropathy. It results from the autoimmune destruction of nerves i ... Read the Article 1.75 21 Activity Info
H1N1 Influenza H1N1 influenza is a subtype of influenza A virus, a communicable viral illness which causes upper and in some cases lower respiratory tract infections ... Read the Article 1 4 Activity Info
Haemophilus Influenzae Haemophilus influenzae is a bacteria characterized as a small, facultatively anaerobic, pleomorphic, and capnophilic gram-negative coccobacillus of th ... Read the Article 1 5 Activity Info
Halo Brace The halo vest immobilizer (halo brace) device is the most rigid form of external immobilization of the upper cervical spine to date. Indications for i ... Read the Article 1 5 Activity Info
Hamate Fractures Fractures of the hamate are rare, under-reported injuries. They can be divided anatomically into two groups: body or hook. While conventional X-rays m ... Read the Article 1 5 Activity Info
Hamstring Injury Hamstring muscles comprise the three major muscles of the posterior aspect of the thigh. These include the semimembranous as the medial most, long and ... Read the Article 1 5 Activity Info
Hand Amputation This activity reviews the presentation and evaluation of patients with hand amputations. Additionally, it highlights the treatment options and associa ... Read the Article 1 5 Activity Info
Hand Extensor Tendon Lacerations Extensor tendon lacerations are relatively common injuries and, when not treated appropriately, may result in a lasting impairment of hand function. T ... Read the Article 1 6 Activity Info
Hand High Pressure Injury High-pressure injection injuries of the hand occur when the hand comes into contact with the nozzle of a high-pressure injecting system such as a pain ... Read the Article 1 6 Activity Info
Hand Infection Hand infections comprise a broad spectrum of pathology, dependent upon which superficial or deep structures are involved. Given the anatomical complex ... Read the Article 1 6 Activity Info
Hand Splint There are many different indications for hand splinting. These include phalanx fractures, conditions requiring immobilization of the metacarpophalange ... Read the Article 1 5 Activity Info
Hangman's Fractures A hangman’s fracture is a bilateral fracture traversing the pars interarticularis of cervical vertebrae 2 (C2) with an associated traumatic subluxatio ... Read the Article 1 7 Activity Info
Hantavirus Syndrome Hantavirus is a rare, life-threatening infection characterized by pulmonary edema, hypoxia, and hypotension. It typically results from exposure to mic ... Read the Article 1 5 Activity Info
Hashimoto Thyroiditis Hashimoto thyroiditis, also known as chronic autoimmune thyroiditis and chronic lymphocytic thyroiditis, is an autoimmune disease in which thyroid cel ... Read the Article 1.25 10 Activity Info
Head Trauma Traumatic brain injury (TBI) due to head trauma is a common presentation in emergency departments and usually accounts for more than one million visit ... Read the Article 1.5 15 Activity Info
Heart Failure And Ejection Fraction Heart failure (HF) is a common and potentially fatal disease if left untreated. This article aims to describe the different types of heart failure. It ... Read the Article 1.75 17 Activity Info
Heat Illness The disorders of hyperthermia, also known as heat-related injury or illness, exist on a continuum, which is marked by dysregulation of the body’s ther ... Read the Article 1.25 10 Activity Info
Heat Stroke Heatstroke is a severe heat-related illness that involves an elevation in body temperature which typically, but not always, is greater than 40 C. The ... Read the Article 1 6 Activity Info
Hemarthrosis Hemarthrosis is a condition of articular bleeding, that is into the joint cavity. This can occur after an injury or, more commonly, in bleeding disord ... Read the Article 1 5 Activity Info
Hematuria Hematuria is the presence of blood in the urine. Hematuria can be gross or microscopic; gross hematuria is visible blood in urine whereas microscopic ... Read the Article 1.25 10 Activity Info
Hemiplegic Migraine A hemiplegic migraine is a rare form of migraine in which the migraine headache attack is accompanied by unilateral weakness. Typically, migraine aura ... Read the Article 1 7 Activity Info
Hemochromatosis Hemochromatosis is a disorder that causes excess iron deposition and, in turn, multiple organ dysfunction. Organs affected by hemochromatosis include ... Read the Article 2 26 Activity Info
Hemodialysis A dialysis is a form of renal replacement therapy. The kidney’s role of filtration of the blood is supplemented by artificial equipment for the remova ... Read the Article 2 24 Activity Info
Hemolytic Anemia Hemolytic anemia is a class of anemia that is caused by the destruction of red blood cells, increased hemoglobin catabolism, decreased levels of hemog ... Read the Article 1.25 9 Activity Info
Hemolytic Transfusion Reaction Hemolytic transfusion reactions are one possible complication from transfusions. Hemolysis is the rupture of red blood cells, and can occur intravascu ... Read the Article 1 4 Activity Info
Hemolytic Uremic Syndrome Hemolytic uremic syndrome (HUS) is thrombotic microangiopathy characterized by the presence of a triad of symptoms: thrombocytopenia, acute renal impa ... Read the Article 1.25 9 Activity Info
Hemophilia Hemophilia A and B are the most common severe hereditary hemorrhagic disorders. Hemophilia A and B result from factor VIII and factor IX protein defic ... Read the Article 1.5 10 Activity Info
Hemophilia A Hemophilia encompasses a group of inherited disorders that alter blood coagulation. Classical hemophilia, also known as hemophilia A, is a hereditary ... Read the Article 1.25 13 Activity Info
Hemorrhage Hemorrhage can manifest in many different ways depending on the mechanism and anatomic location. It is a common and serious medical emergency that req ... Read the Article 1.25 12 Activity Info
Hemorrhage Control Blood is mandatory to maintain adequate circulation within the cardiovascular system and perfuse the tissues of the body. Hemorrhage is the loss of bl ... Read the Article 1 3 Activity Info
Hemorrhagic Disease Of Newborn Hemorrhagic disease of the newborn is a life-threatening condition that is due to insufficient vitamin K levels in newborns as a result of various cau ... Read the Article 1.25 8 Activity Info
Hemorrhagic Shock Shock refers to the inadequate perfusion of tissues due to the imbalance between oxygen demand of tissues and the body’s ability to supply it. Classic ... Read the Article 1.75 20 Activity Info
Hemorrhagic Stroke Hemorrhagic stroke is due to bleeding into the brain by the rupture of a blood vessel. Hemorrhagic stroke may be further subdivided into intracerebral ... Read the Article 1.5 15 Activity Info
Hemorrhoidectomy Hemorrhoidal disease is a common disorder requiring surgical intervention in approximately 10% of cases. The overall prevalence is unknown because asy ... Read the Article 1 5 Activity Info
Hemothorax Hemothorax is a collection of blood in the space between the visceral and parietal pleura (pleural space). The clinical findings in such patients incl ... Read the Article 1.25 13 Activity Info
Henoch Schönlein Purpura Henoch-Schönlein purpura is an IgA-mediated immune vasculitis involving the small vessels of the joints, kidneys, gastrointestinal (GI) tract, skin, a ... Read the Article 1 6 Activity Info
Heparin Unfractionated heparin is an anticoagulant indicated for both the prevention and treatment of thrombotic events such as deep vein thrombosis (DVT) and ... Read the Article 1 5 Activity Info
Heparin Induced Thrombocytopenia Heparin-induced thrombocytopenia (HIT) is a severe complication that can occur in patients exposed to any form or amount of heparin products. A fall i ... Read the Article 1.5 16 Activity Info
Hepatic Cirrhosis Cirrhosis is characterized by fibrosis and nodule formation of the liver secondary to chronic injury, leading to alteration of the normal lobular orga ... Read the Article 1.75 22 Activity Info
Hepatic Cyst Hepatic cysts are fluid-filled cavities in the liver generally asymptomatic and found incidentally on imaging studies. They can sometimes be associate ... Read the Article 1 5 Activity Info
Hepatic Encephalopathy Hepatic encephalopathy (HE) is a reversible syndrome observed in patients with advanced liver dysfunction. This syndrome is characterized by a wide sp ... Read the Article 1.75 20 Activity Info
Hepatitis The term hepatitis means inflammation of the liver — hepatitis most commonly results from viruses. But drugs, alcohol, toxins, and certain diseases, i ... Read the Article 1.75 17 Activity Info
Hepatitis A The hepatitis A virus (HAV) is a positive-sense, single-stranded RNA virus that belongs to the family Picornaviridae. It replicates primarily within h ... Read the Article 1.5 18 Activity Info
Hepatitis B Hepatitis B infection is a serious global healthcare problem. Often transmitted via body fluids like blood, semen, and vaginal secretions, the hepatit ... Read the Article 2 25 Activity Info
Hepatitis C Hepatitis C virus (HCV) is a major public health problem affecting 185 million people worldwide. The percentage of people who are seropositive for ant ... Read the Article 1.75 24 Activity Info
Hepatitis E Hepatitis E virus (HEV) is classified in the genus Orthohepevirus of the Hepeviridae family and is one of the most common causes of hepatitis in the w ... Read the Article 1.25 9 Activity Info
Hepatorenal Syndrome Hepatorenal syndrome (HRS) is a multiorgan condition of acute kidney injury seen in those with advanced liver disease. Patients with this condition pr ... Read the Article 1 4 Activity Info
Heroin Heroin, also known as diacetylmorphine, is derived from the opium poppy plant. Professionals initially touted morphine as a substitute with less misus ... Read the Article 1 6 Activity Info
Heroin Toxicity Heroin, also known as diacetylmorphine, is a very efficient prodrug and more potent than morphine. Many deaths are caused by heroin overdoses througho ... Read the Article 1 3 Activity Info
Herpangina Herpangina is a viral infection that is manifested clinically as an acute febrile illness with small ulcerative or vesicular lesions in the posterior ... Read the Article 1 6 Activity Info
Herpes Simplex Encephalitis Herpes simplex encephalitis is caused by Herpes Simplex Virus type 1(HSV-1) or type 2 (HSV-2). HSV-1 causes encephalitis in children beyond the neonat ... Read the Article 1.75 18 Activity Info
Herpes Simplex Keratitis Herpes simplex virus can cause infection in the eye. Recurrent infection of the cornea due to this virus causes herpes simplex keratitis. It can easil ... Read the Article 1.25 9 Activity Info
Herpes Simplex Neonatorum Herpes simplex virus (HSV) infections in the neonatal period continue to be troublesome for practitioners. In the 1970s, the drug vidarabine was intro ... Read the Article 1 4 Activity Info
Herpes Simplex Type 1 Herpes simplex virus type 1 (HSV-1) is a linear dsDNA virus that is a member of the Alphaherpesviridae subfamily. HSV-1 is responsible for establishin ... Read the Article 1 6 Activity Info
Herpes Simplex Type 2 This activity reviews the evaluation and management of herpes simplex type 2 and highlights the role of the primary care provider in managing patients ... Read the Article 1.25 13 Activity Info
Herpes Zoster Herpes zoster, also known as shingles, is a viral syndrome caused by reactivation of the varicella-zoster virus. After an episode of varicella (chicke ... Read the Article 1 6 Activity Info
Herpes Zoster Ophthalmicus Herpes zoster ophthalmicus occurs due to the reactivation of the latent varicella-zoster virus. It is a variation of herpes zoster that can cause a va ... Read the Article 1.25 9 Activity Info
Herpetic Gingivostomatitis Herpetic gingivostomatitis is a manifestation of herpes simplex virus type 1 (HSV-1) and is characterized by high-grade fever and painful oral lesions ... Read the Article 1 7 Activity Info
Hiatal Hernia A hiatal hernia is a condition in which the upper part of the stomach or other internal organ bulges through the hiatus of the diaphragm. When there i ... Read the Article 1 5 Activity Info
Hidradenitis Suppurativa Hidradenitis suppurativa (HS), also called acne inversus, is a chronic inflammatory skin condition with lesions including deep-seated nodules and absc ... Read the Article 1.5 14 Activity Info
High Altitude Cardiopulmonary Diseases High-altitude pulmonary edema is a largely preventable condition. Lack of knowledge about the prevention, recognition, and treatment of this disease d ... Read the Article 1.25 7 Activity Info
High Altitude Cerebral Edema High altitude cerebral edema (HACE) is a severe and potentially fatal condition associated with high altitude illness that is often thought of as a la ... Read the Article 1 4 Activity Info
High Altitude Pulmonary Edema High altitude pulmonary edema (HAPE) is a severe form of high-altitude illness that, if left untreated, can lead to mortality in 50 percent of affecte ... Read the Article 1.25 8 Activity Info
High Anion Gap Metabolic Acidosis High anion gap metabolic acidosis (HAGMA) is a type of metabolic acidosis. Differentiation of acidosis into a particular subtype, whether high anion g ... Read the Article 1 5 Activity Info
High-Output Cardiac Failure High-output cardiac failure is a less common form of heart failure, and although it may sound contradictory at first, in the simplest form, it is stil ... Read the Article 1 6 Activity Info
Hip Fracture Overview Hip fractures are fractures of the proximal femur and are commonly seen in the elderly population following a fall. This type of injury has a high rat ... Read the Article 1.5 17 Activity Info
Hip Pointer Injuries A hip pointer is a contusion of the iliac crest and/or the greater trochanteric region of the femur following a direct impact or collision. The manage ... Read the Article 1 5 Activity Info
Histamine Toxicity Scombroid poisoning results from eating fish that have been improperly stored. The primary toxic agent implicated in scombroid toxicity is histidine, ... Read the Article 1 8 Activity Info
Histoplasmosis Histoplasma capsulatum is a dimorphic fungus present worldwide in pockets of endemicity particularly associated with river valleys. The endemic region ... Read the Article 1.5 13 Activity Info
HIV Antiretroviral Therapy A typical initial HIV regimen includes 3 HIV medications from a minimum of 2 drug classes. Although this treatment is not curative, it can provide lon ... Read the Article 1 7 Activity Info
HIV Prophylaxis HIV prophylaxis is divided into two categories: post-exposure prophylaxis (PEP) and pre-exposure prophylaxis (PrEP). PEP is the administration of anti ... Read the Article 1 7 Activity Info
HIV-1 Associated Opportunistic Infections HIV-1 associated opportunistic infections encompass a myriad of life-threatening infections seen in patients with advanced human immunodeficiency viru ... Read the Article 1 5 Activity Info
HIV-1 Associated Toxoplasmosis Toxoplasmosis is a common cause of central nervous system (CNS) infection in patients with HIV/AIDS who do not take appropriate prophylaxis. Cerebral ... Read the Article 1 5 Activity Info
HIV-1 Encephalopathy And Aids Dementia Complex Neurocognitive deficits are the presenting complaint in 4 to 15 percent of patients with human immunodeficiency virus (HIV). HIV-associated neurocogni ... Read the Article 1 7 Activity Info
Holiday Heart Syndrome The holiday heart syndrome is a common cause of cardiac disease predominantly in the United States of America. The holiday heart syndrome, also referr ... Read the Article 1 4 Activity Info
Hollenhorst Plaque Stroke is the third most common cause of death in the United States. Eighty percent of all strokes are due to occlusion of a vessel secondary to ather ... Read the Article 1 7 Activity Info
Hookworm Hookworm infection is one of the common parasitic infestations in developing countries. They are mainly causing iron deficiency anemia in exposed pati ... Read the Article 1 5 Activity Info
Hordeolum A hordeolum is an acute, common bacterial infection of the eyelid. Patients with this condition often present to their primary care provider with pain ... Read the Article 1 6 Activity Info
Horner Syndrome Horner syndrome is a rare condition classically presenting with partial ptosis (drooping or falling of the upper eyelid), miosis (constricted pupil), ... Read the Article 1 7 Activity Info
Hospital Acquired Infections Hospital-acquired infections (healthcare-associated infections) are nosocomially acquired infections that are not present or incubating at the time of ... Read the Article 1 6 Activity Info
Human Bites Human bites account for a relatively low percentage (3%) of the total bites encountered in the ED, but they have the potential for severe morbidity du ... Read the Article 1 7 Activity Info
Human Papillomavirus The human papillomavirus (HPV) is a non-enveloped, double-stranded, circular DNA virus that is responsible for causing multiple epithelial lesions and ... Read the Article 1.25 11 Activity Info
Human Trafficking Human trafficking is a pressing public health concern which transcends all races, social classes, demographics, and gender. No population is exempt fr ... Read the Article 2 22 Activity Info
Humeral Shaft Fractures Midshaft humeral fractures usually occur due to a direct blow to the upper arm, which commonly results from falls, motor vehicle accidents, or motorcy ... Read the Article 1.25 8 Activity Info
Humerus Fractures Overview Humerus fractures account for 4 to 6 percent of all fractures in young patients and 1 to 3 percent of all fractures in elderly patients. In young men, ... Read the Article 1.25 8 Activity Info
Hyaluronidase Hyaluronidase is an enzyme useful in facilitating the management of injectable medications. This activity reviews the indications, action, adverse eff ... Read the Article 1 5 Activity Info
Hydrocarbon Inhalation Hydrocarbons are organic compounds that consist of hydrogen and carbon. They are ubiquitous in society and are present in many common household and oc ... Read the Article 1 4 Activity Info
Hydrocarbon Toxicity Hydrocarbons are compounds containing hydrogen and carbon. These are typically the chief components in many types of fuels. They can come in the form ... Read the Article 1 4 Activity Info
Hydrofluoric Acid Burns Hydrofluoric (HF) acid is an extremely powerful inorganic acid and a vigorous dehydrating agent that is used in many industrial branches. Domestic con ... Read the Article 1 5 Activity Info
Hydrogen Sulfide Toxicity Hydrogen sulfide can be found in many environments, and toxicity can arise from both direct contact and as the chemical enters the bloodstream. At hig ... Read the Article 1 5 Activity Info
Hydromorphone Hydromorphone is a medication used in the management and treatment of moderate to severe acute pain as well as severe chronic pain. It is in the opioi ... Read the Article 1 7 Activity Info
Hydronephrosis And Hydroureter Hydronephrosis and hydroureter result from obstruction of urine flow in the urinary system at the renal pelvis and ureter level, respectively. This is ... Read the Article 1.25 8 Activity Info
Hymenoptera Stings The Hymenoptera order includes over 150,000 different species of flying and non-flying insects. Some species within this order have modified oviposito ... Read the Article 1.25 10 Activity Info
Hyperaldosteronism Hyperaldosteronism occurs due to the excess production of aldosterone from the adrenal gland. Hyperaldosteronism can initially present as essential an ... Read the Article 1 5 Activity Info
Hyperammonemia Hyperammonemia is a metabolic condition characterized by raised levels of ammonia, a nitrogen-containing compound. Ammonia is a potent neurotoxin. Hyp ... Read the Article 1 5 Activity Info
Hyperbaric Treatment Of Carbon Monoxide Toxicity Carbon monoxide (CO) is a toxic gas formed from the incomplete combustion of carbon-containing substances. Common sources are engines, non-electric sp ... Read the Article 1 5 Activity Info
Hypercalcemia Calcium is the most abundant cation found in the human body and plays an integral role in neural transmission, enzyme activity, myocardial function, c ... Read the Article 1.5 18 Activity Info
Hypercapnea Hypercapnia is the increase in partial pressure of carbon dioxide (PaCO2) above 45 mmHg. Carbon dioxide is a metabolic product of the many cellular pr ... Read the Article 1 3 Activity Info
Hyperchloremic Acidosis Hyperchloremic metabolic acidosis is a pathological state that results from bicarbonate loss, rather than acid production or retention. Bicarbonate lo ... Read the Article 1 6 Activity Info
Hyperemesis Gravidarum Hyperemesis gravidarum refers to intractable vomiting during pregnancy, leading to weight loss and volume depletion, resulting in ketonuria and/or ket ... Read the Article 1 5 Activity Info
Hyperkalemia Hyperkalemia is defined as a serum or plasma potassium level above the upper limits of normal, usually greater than 5.0 mEq/L to 5.5 mEq/L. While mild ... Read the Article 1.25 13 Activity Info
Hypermagnesemia Magnesium is an essential element for the life of plants as it is part of chlorophyll. Moreover, it is abundant in animal tissues, where it is fundame ... Read the Article 1 5 Activity Info
Hypernatremia The human body maintains sodium and water homeostasis by concentrating the urine secondary to the action of antidiuretic hormone (ADH) and increased f ... Read the Article 1 5 Activity Info
Hyperosmolar Hyperglycemic Nonketotic Coma Hyperosmolar hyperglycemic syndrome (HHS) is a clinical condition that arises from a complication of diabetes mellitus. Type 2 diabetes accounts for a ... Read the Article 1.25 10 Activity Info
Hyperphosphatemia This article summarises the basics of Hyperphosphatemia, including its pathophysiology, evaluation, and management. Though this condition is seen more ... Read the Article 1 6 Activity Info
Hypersensitivity Pneumonitis Hypersensitivity pneumonitis (HP) classified as an interstitial lung disease is characterized by a complex immunological reaction of the lung parenchy ... Read the Article 1 5 Activity Info
Hypertension In Pregnancy Hypertensive disorders of pregnancy, including chronic hypertension with or without superimposed pre-eclampsia/eclampsia, gestational hypertension, pr ... Read the Article 1.25 12 Activity Info
Hypertensive Emergency A hypertensive emergency is an acute, marked elevation in blood pressure that is associated with signs of target-organ damage. These can include pulmo ... Read the Article 1 7 Activity Info
Hypertensive Encephalopathy Hypertensive encephalopathy is a less commonly encountered type of hypertensive emergency, highlighted by mental status changes and severely elevated ... Read the Article 1 5 Activity Info
Hypertensive Heart Disease Hypertensive heart disease refers to a constellation of changes in the left ventricle, left atrium, and coronary arteries as a result of chronic blood ... Read the Article 1 5 Activity Info
Hypertensive Urgency Hypertensive urgency is a marked elevation in blood pressure without evidence of target organ damage, such as pulmonary edema, cardiac ischemia, neuro ... Read the Article 1.25 8 Activity Info
Hyperthyroidism The thyroid gland is a bilobed structure located in the anterior aspect of the trachea between the cricoid cartilage and the suprasternal notch. Each ... Read the Article 1.75 22 Activity Info
Hypertonic Fluids Clinicians use hypertonic fluids to increase intravascular fluid volume. Hypertonic saline can be utilized in the treatment of hyponatremia. Hypertoni ... Read the Article 1 5 Activity Info
Hypertrophic Cardiomyopathy Hypertrophic cardiomyopathy (HCM) is an autosomal dominant disease caused by a mutation in sarcomere protein genes which effect contraction of the hea ... Read the Article 1.5 20 Activity Info
Hypertrophic Obstructive Cardiomyopathy Hypertrophic obstructive cardiomyopathy (HOCM), historically referred to as idiopathic hypertrophic subaortic stenosis, is a relatively common disorde ... Read the Article 1.5 16 Activity Info
Hyperuricemia Hyperuricemia is a common disorder that affects patients of all ages and genders. The most common manifestation of hyperuricemia is gout, which can be ... Read the Article 1 5 Activity Info
Hyphema Hyphema is the accumulation of red blood cells (RBCs) in the anterior chamber of the eye. By definition, blood must be grossly visible, either on dire ... Read the Article 1.25 7 Activity Info
Hypocalcemia Disorders of calcium metabolism are frequently encountered. Though hypocalcemia is not encountered as frequently as hypercalcemia, it can be life-thre ... Read the Article 1.25 11 Activity Info
Hypocarbia Hypocarbia, also known as hypocapnia, is a decrease in alveolar and blood carbon dioxide (CO2) levels below the normal reference range of 35 mmHg. CO2 ... Read the Article 1.25 9 Activity Info
Hypoglycemia Hypoglycemia is often defined by a plasma glucose concentration below 70 mg/dL; however, signs and symptoms may not occur until plasma glucose concent ... Read the Article 1.5 18 Activity Info
Hypokalemia One of the most common electrolyte disturbances seen in clinical practice is hypokalemia. Hypokalemia is more prevalent than hyperkalemia, and most ca ... Read the Article 1.25 12 Activity Info
Hyponatremia Hyponatremia is defined as a serum sodium concentration of less than 135 mEq/L but can vary to a small extent in different laboratories. Hyponatremia ... Read the Article 1.25 12 Activity Info
Hypoparathyroidism Parathyroid hormone deficiency, also called hypoparathyroidism, results in hypocalcemia, hyperphosphatemia, and increased neuromuscular irritability. ... Read the Article 1.25 8 Activity Info
Hypophosphatemia Given its widespread role in nearly every molecular, cellular function, aberrations in serum phosphate levels can be highly impactful. Hypophosphatemi ... Read the Article 1 5 Activity Info
Hypotension Hypotension is a decrease in systemic blood pressure below accepted low values. While there is not an accepted standard hypotensive value, pressures l ... Read the Article 1 3 Activity Info
Hypothermia Accidental hypothermia occurs when the body dissipates more heat than it absorbs or creates, leaving the body unable to generate sufficient heat to ma ... Read the Article 1.5 16 Activity Info
Hypothyroidism Hypothyroidism results from low levels of thyroid hormone with varied etiology and manifestations. The drug of choice for the treatment of hypothyroid ... Read the Article 2 25 Activity Info
Hypotonia Hypotonia is an easily recognizable entity but determining the etiology is a challenging task for a clinician given its vast differential. Systematica ... Read the Article 1.25 11 Activity Info
Hypovolemia Hypovolemia refers to a state of low extracellular fluid volume, generally secondary to combined sodium and water loss. All living organisms must main ... Read the Article 1 6 Activity Info
Hypovolemic Shock Patients with hypovolemic shock have severe hypovolemia with decreased peripheral perfusion. If left untreated, these patients can develop ischemic in ... Read the Article 1 7 Activity Info
Hypoxia Hypoxia is a state in which oxygen is not available in sufficient amounts at the tissue level to maintain adequate homeostasis; this can result from i ... Read the Article 1 4 Activity Info
Hypoxic Brain Injury The brain consumes a significant amount of energy compared to its weight and size. The term "anoxia" refers to the complete lack of oxygen delivery to ... Read the Article 1.25 7 Activity Info
Iatrogenic Pneumothorax Pneumothorax is gas in the pleural space. This condition can present in one of three ways: spontaneous (primary), secondary, and traumatic. This activ ... Read the Article 1.25 9 Activity Info
Ibuprofen Toxicity Ibuprofen, 2-(4-isobutylphenyl)propionic acid, belongs to the class of drugs called nonsteroidal anti-inflammatory drugs (NSAIDs) and was discovered b ... Read the Article 1 6 Activity Info
Idiopathic Generalized Epilepsy A seizure can be defined as abnormal, hypersynchronous discharge of cortical neurons, and epilepsy defined as a propensity to have seizures. Idiopathi ... Read the Article 1.25 9 Activity Info
Idioventricular Rhythm Idioventricular rhythm is a slow regular ventricular rhythm with a rate of less than 50 bpm, absence of P waves, and a prolonged QRS interval. When th ... Read the Article 1 5 Activity Info
Ileus Ileus refers to the intolerance of oral intake due to inhibition of the gastrointestinal propulsion without signs of mechanical obstruction. The diagn ... Read the Article 1.25 8 Activity Info
Immersion Pulmonary Edema Immersion pulmonary edema (IPE) is used as an umbrella term for scuba divers pulmonary edema (SDPE) and swimming-induced pulmonary edema (SIPE). Both ... Read the Article 1 5 Activity Info
Immune Thrombocytopenic Purpura Immune thrombocytopenia purpura (ITP) is defined as a low platelet count, usually, less than 100,000 in the presence of a generalized petechial rash, ... Read the Article 1.25 7 Activity Info
Imperforate Anus Imperforate anus or anal atresia is a congenital anorectal malformation (ARM) where a normal anal opening is absent at birth. ARMs comprise of a broad ... Read the Article 1 5 Activity Info
Impetigo Impetigo is a common infection of the superficial layers of the epidermis that is highly contagious and most commonly caused by gram-positive bacteria ... Read the Article 1 6 Activity Info
Incision and Drainage Incision and drainage (I and D) is a widely used procedure in various care settings including emergency departments and outpatient clinics. It is the ... Read the Article 1 5 Activity Info
Incisional Hernia Incisional hernias are a common complication of laparotomy incisions and a major healthcare burden. The management of incisional hernias are challengi ... Read the Article 1 5 Activity Info
Incomplete Abortions An incomplete abortion is the partial loss of the products of conception within the first 20 weeks. Incomplete abortion usually presents with moderate ... Read the Article 1 4 Activity Info
Increased Intracranial Pressure The pressure in the cranial vault is measured in millimeters of mercury (mm Hg) and is normally less than 20 mm Hg. The cranium is a rigid structure t ... Read the Article 1.25 10 Activity Info
Infant Apnea Apnea in infants is the term used to describe episodes of cessation of breathing and may be due to many physiologic or pathophysiologic processes. Bri ... Read the Article 1 8 Activity Info
Infantile Acne Acne vulgaris, a common dermatologic condition, is defined by the presence of comedones. Essentially benign in nature, acne vulgaris can, however, res ... Read the Article 1 5 Activity Info
Infantile Botulism Infantile botulism is caused by Clostridium botulinum, which is an anaerobic spore-forming, gram-positive bacillus. It can be found in the soil, water ... Read the Article 1.25 11 Activity Info
Infectious Colitis The management of infectious colitis is complex, and new approaches have been introduced. The basic and clinical aspects of infectious colitis must be ... Read the Article 1 5 Activity Info
Infectious Endocarditis Infectious endocarditis refers to the colonization of cardiac valve endocardium by virulent microorganisms. It is a rare condition that can lead to r ... Read the Article 1.25 10 Activity Info
Inferior Myocardial Infarction Without timely treatment, coronary artery occlusion results in decreased perfusion to the myocardium, resulting in myocardial ischemia followed by my ... Read the Article 1.25 11 Activity Info
Inferior Vena Cava Filter Inferior vena cava filters (IVC filters) are indicated as a treatment to prevent pulmonary embolism in a select group of patients that have venous thr ... Read the Article 1.25 9 Activity Info
Inferior Vena Cava Syndrome Inferior vena cava syndrome (IVCS) is caused by physical invasion or compression by a pathological process or by thrombosis within the vein itself. Th ... Read the Article 1.25 12 Activity Info
Inferior Vena Caval Thrombosis Inferior vena cava (IVC) thrombosis is a disease associated with high morbidity. Although the condition is considered rare, case reports have shown th ... Read the Article 1 7 Activity Info
Inflammatory Arthritis Inflammatory arthritis includes a group of arthritis accompanied by joint pain, swelling, warmth, and tenderness in the joints, and morning stiffness ... Read the Article 1 5 Activity Info
Inflammatory Back Pain Inflammatory back pain (IBP) is a condition of pain localized to the axial spine and sacroiliac joints that is chronic and is differentiated from mech ... Read the Article 1 5 Activity Info
Inflammatory Bowel Disease Inflammatory bowel disease (IBD) is a chronic inflammatory disease of the gastrointestinal tract and is divided into Crohn disease and ulcerative coli ... Read the Article 1.25 11 Activity Info
Influenza Influenza is a communicable viral disease that affects the upper respiratory tract, including upper and lower respiratory passages. A wide spectrum of ... Read the Article 1.25 9 Activity Info
Inguinal Hernia Inguinal hernia repair is an extremely common operation performed by surgeons. More than 800,000 repairs performed annually. These groin hernias can b ... Read the Article 1.25 8 Activity Info
Inhalation Injury Inhalation injury is a broad term that includes pulmonary exposure to a wide range of chemicals in various forms including smoke, gases, vapors, or fu ... Read the Article 1 7 Activity Info
Inner Ear Decompression Sickness Inner ear decompression sickness (IEDCS) is an incompletely understood condition observed in compressed-gas divers likely resulting from precipitation ... Read the Article 1 7 Activity Info
Inotropes And Vasopressors Vasopressors and inotropes are medications used to create vasoconstriction or increase cardiac contractility, respectively, in patients with shock. Th ... Read the Article 1.25 8 Activity Info
Insect Bites The term "bug bite" is commonly used to denote both bites and stings inflicted by members of the phylum Arthropoda. Arthropods make up the largest di ... Read the Article 1.25 5 Activity Info
Insulin Insulin is a medication used in the treatment and management of diabetes mellitus type-1 and sometimes diabetes mellitus type-2, both of which are sig ... Read the Article 1.25 12 Activity Info
Intercostal Neuralgia Intercostal neuralgia encompasses any painful condition of the intercostal nerves. There are a variety of causes of intercostal neuralgia which cause ... Read the Article 1 4 Activity Info
Internal Hemorrhoid Hemorrhoids are naturally occurring vascular tissues within the submucosa in the anal canal and comprise loose connective tissue, smooth muscle, and b ... Read the Article 1.25 13 Activity Info
Internal Jugular Vein Central Venous Access If an ultrasound machine is not immediately available and central venous access via the right jugular vein is required, a simple three-finger techniqu ... Read the Article 1 6 Activity Info
Interstitial Lung Disease Interstitial lung disease (diffused parenchymal diseases) are a heterogeneous group of disorders characterized by fibrosis (scarring) of the lungs. Th ... Read the Article 1 5 Activity Info
Intertrigo Intertrigo is a superficial inflammatory skin condition of the skin's flexural surfaces, prompted or irritated by warm temperatures, friction, moistur ... Read the Article 1 5 Activity Info
Intertrochanteric Femur Fracture Intertrochanteric femur fractures are a very common injury seen in the elderly. Understanding the pathophysiology as well as the proper treatment opt ... Read the Article 1.5 17 Activity Info
Intestinal Perforation Intestinal perforation, defined as a loss of continuity of the bowel wall, is a potentially devastating complication that may result from a variety of ... Read the Article 1 4 Activity Info
Intestinal Stoma An intestinal stoma is one of the most common surgical procedures, in which exteriorization of either small bowel or large bowel through the anterior ... Read the Article 1 5 Activity Info