Early response and defibrillation are critical. When someone suffers a cardiac arrest, the use of CPR (Cardiopulmonary Resuscitation) and an AED (Automated External Defibrillator) in the first few ...

For basic life support, the AED is most often used. Another type of external defibrillator is categorized as semiautomatic and has manual overrides and various settings that can be adjusted.