Caffeine is a naturally occurring central nervous system (CNS) stimulant of the methylxanthine class and is the most wid ...

At its most basic definition, the term “shock” means that there is a lack of adequate tissue oxygenation throughout the ...

Cardiac defibrillation is the act of administering a transthoracic electrical current to a person experiencing one of th ...

Atrial flutter, a supraventricular arrhythmia, is one of the most common rhythm disturbances of the heart. It is charact ...

Pulse oximetry is a noninvasive measure of oxygen saturation. Capnography is a method of monitoring the concentration or ...

Wounds and lacerations are common complaints. Each year in the United States, roughly 12.2 million patients are seen in ...