The chain of survival

 The chain of survival is a metaphor to explain the interdependence of a communitys emergency response to cardiac arrest. This response is composed of four links. With a weak or missing link the result will be poor chances of survival, despite excellence in the rest of the emergency cardiac care system.


Early access

Early access consist of the following events after the patients collapse:

q       Early identification of patients collapse who can activate the emergency system

q       Recognition of unresponsiveness

q       Rapid telephone call to emergency medical services (EMS)

q       Rapid arrival of EMS responders

q       Identification of the arrested state


Early CPR

Cardiopulmonary resuscitation (CPR) is the attempt to restore spontaneous circulation using the technique s of chest wall compressions and pulmonary ventilation. It consist of  sequences of assessment followed by sequences of action. As a rule of thumb we evaluate airway (A), breathing (B), and circulation (C).




Early defibrillation

Defibrillation is a technique that uses an automated external defibrillator. This device by an electrical shock tempts to restore the normal rhythm of the heart  when occurs an arrest of  cardiac muscle because of cardiac fibrillation.  


Advanced cardiac life support (ACLS)

ACLS refers to attempts at restoration of spontaneous circulation using basic CPR plus advanced airway management, endotracheal intubation, defibrillation, and intravenous medications.   


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