Nurse-Hyperbaric (CHRN)

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Return To Diving

After an episode of decompression illness or other diving-related injuries, many divers want to go diving again either f ...
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Diving In Water Recompression

In-water recompression is the appropriate procedure to initiate when traditional recompression in a dedicated chamber wi ...
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Hand Hygiene

Handwashing practices in the patient care setting began in the early 19th century. The practice evolved over the years w ...
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Hyperbaric Related Myopia and Cataract Formation

Oxygen has been shown to be harmful to many tissues in the body via the formation of oxygen free radicals through normal ...
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High Altitude Cerebral Edema

High altitude cerebral edema (HACE) is a severe and potentially fatal condition associated with high altitude illness th ...
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Hyperbaric Patient Selection

In hyperbaric medicine, healthcare professionals must recognize that approved indications are not common knowledge among ...
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Nurse-Hyperbaric (CHRN) Activities

Title Description Hours Questions
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 Traumatic Ischemia Hyperbaric Evaluation and Treatment Trauma to a limb leads to direct tissue damage and local hypoxia due to edema, resulting in acute traumatic peripheral ischemia. The trauma can vary f ... Read the Article 1 4 Activity Info
Aerospace Decompression Illness Decompression sickness in aviation is most commonly seen following flights in nonpressurized aircraft, in flights with cabin pressure fluctuations, or ... Read the Article 1 6 Activity Info
Alternobaric Facial Paresis Alternobaric facial paresis, facial baroparesis, baroparesis facialis, or alternobaric facial nerve palsy is a neurapraxia of the seventh cranial nerv ... Read the Article 1 6 Activity Info
Alternobaric Vertigo Alternobaric vertigo is a benign condition that affects individuals traveling in environments with changing ambient pressures, such as scuba diving or ... Read the Article 1 5 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 ... Read the Article 1 5 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 29 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
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 1.25 13 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
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 5 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
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
Diving At Altitude Increased popularity in recreational scuba diving adds to an ongoing category of diving-related injuries and illnesses. Whether recreational or occupa ... 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
Diving In Water Recompression In-water recompression is the appropriate procedure to initiate when traditional recompression in a dedicated chamber with full medical staff is unava ... Read the Article 1 5 Activity Info
Diving Mask Squeeze Mask squeeze is a common injury among divers and occurs when a diver fails to equalize the air space in their mask during descent, resulting in damage ... Read the Article 1 4 Activity Info
Dysbaric Osteonecrosis Dysbaric osteonecrosis is a type of avascular necrosis of the bone that is most commonly found in undersea divers and workers that breathe compressed ... Read the Article 1 6 Activity Info
Dysbarism Dysbarism describes any condition resulting from changes in ambient pressure that occur at a rate outpacing the body's ability to adapt safely. Exampl ... Read the Article 1 7 Activity Info
Flying After Diving Exposure to reduced barometric pressure shortly after diving can increase a diver's risk of decompression sickness (DCS). Before flying, a diver shoul ... Read the Article 1 5 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 15 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 1.25 13 Activity Info
Hand Hygiene Handwashing practices in the patient care setting began in the early 19th century. The practice evolved over the years with evidential proof of its va ... Read the Article 1 3 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
Hyperbaric Treatment Of Compressed Air Workers, Caissons, Tunneling, Bounce Diving, and Saturation Diving This activity addresses the modalities used in the performance of compressed air work; caissons, tunneling, and commercial diving, and the various mod ... Read the Article 1 4 Activity Info
Hyperbaric Cardiovascular Effects Both the high-pressure environment as well as the hyperoxygenation that is associated with hyperbaric oxygen treatments (HBOT) have numerous consequen ... Read the Article 1.25 9 Activity Info
Hyperbaric Cataracts Hyperbaric oxygen therapy (HBOT) is the administration of 100% oxygen at pressures greater than one-atmosphere absolute pressure (1 ATA) for a therape ... Read the Article 1 5 Activity Info
Hyperbaric Complications Hyperbaric oxygen therapy (HBOT) is generally a relatively safe therapy for various conditions. However, there are some adverse side effects. When adv ... Read the Article 1 7 Activity Info
Hyperbaric Evaluation and Treatment Of Intracranial Abscess Hyperbaric oxygen (HBO) therapy of intracranial abscesses refers to the following disorders: cerebral abscess, subdural empyema, and epidural empyema. ... Read the Article 1 4 Activity Info
Hyperbaric Management Of Frostbite Although evidence for treating frostbite with hyperbaric oxygen is sparse and limited to case reports and animal studies, the proposed mechanism of ac ... Read the Article 1 6 Activity Info
Hyperbaric Patient Selection In hyperbaric medicine, healthcare professionals must recognize that approved indications are not common knowledge amongst those that do not practice ... Read the Article 1 5 Activity Info
Hyperbaric Related Myopia and Cataract Formation Oxygen has been shown to be harmful to many tissues in the body via the formation of oxygen free radicals through normal metabolic processes. The high ... Read the Article 1 5 Activity Info
Hyperbaric Soft Tissue Radionecrosis Soft tissue radionecrosis refers to the delayed effects of radiation therapy which result in tissue breakdown from the impaired blood supply radiation ... Read the Article 1.25 9 Activity Info
Hyperbaric Therapy For Skin Grafts And Flaps Hyperbaric oxygen therapy has shown promise in salvaging flaps in tissue that has been irradiated or in areas where there is decreased tissue perfusio ... Read the Article 1.25 10 Activity Info
Hyperbaric Therapy For Wound Healing The international body that sets the standards for hyperbaric medicine is The Undersea and Hyperbaric Medical Society. There are currently 14 approved ... Read the Article 1.25 10 Activity Info
Hyperbaric Therapy In Blood Loss Anemia Red blood cells contain hemoglobin; hemoglobin is the major carrier of oxygen throughout the human body. When hemoglobin levels decrease, anemia resul ... Read the Article 1 4 Activity Info
Hyperbaric Treatment Of Brain Radiation Necrosis Delayed effects of radiation therapy can include radiation necrosis of the brain, which generally occurs in the area of the brain where the tumor was ... Read the Article 1 5 Activity Info
Hyperbaric Treatment Of Carbon Monoxide Toxicity Carbon monoxide (CO) is a toxic gas that is formed from the incomplete combustion of carbon-containing substances. Common sources are engines, non-ele ... Read the Article 1 4 Activity Info
Hyperbaric Treatment Of Central Retinal Artery Occlusion Central retinal artery occlusion (CRAO) is a relatively rare but potentially devastating ocular emergency. Patients present with sudden, painless mono ... Read the Article 1 5 Activity Info
Hyperbaric Treatment Of Chronic Refractory Osteomyelitis Osteomyelitis is infection of the bone or marrow caused by bacteria or mycobacteria. It is difficult to treat due to the relative paucity of blood ves ... Read the Article 1 5 Activity Info
Hyperbaric Treatment Of Clostridial Myositis And Myonecrosis Clostridial myonecrosis, also called gas gangrene, can rapidly cause death if not immediately detected and treated. It is caused by the anaerobic spor ... Read the Article 1.25 8 Activity Info
Hyperbaric Treatment of Crush Injury And Compartment Syndrome Acute compartment syndrome (ACS) occurs when compartment pressures increase to the point that circulation and tissue function is compromised. Human li ... Read the Article 1.25 10 Activity Info
Hyperbaric Treatment Of Delayed Radiation Injury There will be 1.2 million cases of invasive cancer diagnosed in the United States this year. Half of those patients will receive radiation therapy as ... Read the Article 1 6 Activity Info
Hyperbaric Treatment Of Diabetic Foot Ulcer Complications associated with diabetes are the leading cause of nontraumatic lower-extremity amputations. Diabetic foot ulcers occur in approximately ... Read the Article 1 4 Activity Info
Hyperbaric Treatment of Ischemia Reperfusion Injury The ischemia-reperfusion inflammatory reaction can occur with any injury that involves the ischemic interruption of vascular flow. This includes many ... Read the Article 1 4 Activity Info
Hyperbaric Treatment Of Radiation Proctitis Radiation therapy of the pelvis is used to treat a variety of cancers, for example, ovarian, uterine, cervical, prostate, bladder, and rectal cancers. ... Read the Article 1 4 Activity Info
Hyperbaric Treatment Of Sensorineural Hearing Loss Sudden sensorineural hearing loss (SSNHL) is defined as hearing loss of at least 30 decibels occurring over at least three consecutive audiometric fre ... Read the Article 1 5 Activity Info
Hyperbaric Treatment Of Thermal Burns Thermal burns are common in the United States, and approximately 2 million people are injured every year, with about 155 per million patients needing ... Read the Article 1 6 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
Middle Ear Barotrauma Eustachian tube dysfunction (ETD) and middle ear barotrauma (MEBT) remain the two most common complications of SCUBA diving, commercial diving, and cl ... Read the Article 1 5 Activity Info
Necrotizing Fasciitis Necrotizing fasciitis is a subset of aggressive skin and soft tissue infections (SSTIs) that cause necrosis of the muscle fascia and subcutaneous tiss ... Read the Article 1.5 17 Activity Info
Nitrogen Narcosis In Diving Nitrogen narcosis, also known as depth intoxication or rapture of the deep, is a change in consciousness and neuromuscular function caused by breathin ... Read the Article 1 4 Activity Info
Oxygen Toxicity Oxygen is vital to sustaining life. However, breathing oxygen at higher than normal partial pressure leads to hyperoxia and can cause oxygen toxicity ... Read the Article 1 7 Activity Info
Patent Foramen Ovale In Diving Patent foramen ovale (PFO) is a condition in which the foramen ovale, present in the atrial septum of the developing fetus, fails to close after birth ... Read the Article 1 5 Activity Info
Return To Diving After an episode of decompression illness or other diving-related injuries, many divers want to go diving again either for recreation, work, or milita ... Read the Article 1 5 Activity Info
Shallow Water Blackout Shallow water blackout is a loss of consciousness caused by cerebral hypoxia towards the end of a breath-hold dive in shallow water. It is typically c ... Read the Article 1 6 Activity Info

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Nurse-Hyperbaric (CHRN)

Stay up to date on the latest medical knowledge with this Nurse-Hyperbaric (CHRN) activity. In this online self-assessment activity, read our reference articles and test your knowledge with 58 activities in Nurse-Hyperbaric (CHRN) for 62.5 total CE hours.


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