Chain of survival
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The chain of survival refers to a series of actions that, when put into motion, reduce the mortality associated with cardiac arrest.[1][1] Like any chain, the chain of survival is only as strong as its weakest link.[1][1] The four interdependent links in the chain of survival are early access, early CPR, early defibrillation, and early advanced care.[1]
Background
The phrase "chain of survival" was first used as a slogan for the 1988 Conference on Citizen CPR.[1][1] It then appeared in JEMS editorial in August 1989, and the first issue of Currents in Emergency Cardiac Care in 1990.[1] The concept was elaborated in the American Heart Association's 1992 guidelines for cardiopulmonary resuscitation and emergency cardiac care,[1][1] and then echoed by the International Liaison Committee on Resuscitation (ILCOR) in 1997.[1]
Early access
Someone must witness the cardiac arrest and activate the EMS system[1] with an immediate call to 9-1-1[1] (or your local emergency number).
Early CPR
In order to be most effective, bystander CPR should be provided immediately after collapse of the patient.[1][1] Properly performed CPR can keep the heart in VF for 10-12 minutes longer.[1]
Early defibrillation
Most adults who can be saved from cardiac arrest are in ventricular fibrillation or pulseless ventricular tachycardia.[1] Early defibrillation is the link in the chain most likely to improve survival.[1] Public access defibillation may be the key to improving survival rates in out-of-hospital cardiac arrest,[1] but is of the greatest value when the other links in the chain do not fail.[1]
Early advanced care
Early advanced cardiac life support by paramedics is another critical link in the chain of survival.[1] In communities with survival rates > 20%, a minimum of two of the rescuers are trained to the advanced level.[1] In some countries, EMS delivery may be performed by ambulancemen, nurses, or doctors.[1]
See also
References
External links
- "The Links in the Chain of Survival," American Heart Association
- "Chain of Survival: Converting a Nation," Citizen CPR Foundation
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
