The chain of survival was developed by the American Heart Association in 1990. It refers to four steps that, when put into motion, increase the probability of saving a victim of cardiac arrest. Like any chain, the chain of survival is only as strong as its weakest link. The chain of survival includes:
Emergency medical service (known by the acronym of EMS in the USA and Canada) is a branch of medicine that is performed in the field, pre-hospital, (i. ... Wikibooks has more about this subject: First Aid/CPR Cardiopulmonary resuscitation (CPR) is an emergency first aid protocol for a victim of cardiac arrest. ... Typical view of the defibrillator operator. ... Advanced cardiac life support or (ACLS) refers to a set of clinical interventions for the urgent treatment of cardiac arrest and other life threatening medical emergencies, as well as the knowledge and skills to deploy those interventions. ...