The Chain of Survival

Early Intervention Saves Lives

The chain of survival is a representation of basic management of emergency cardiac events.

The best chance a person has of surviving an out-of-hospital cardiac arrest is if the following sequence of emergency care can be initiated as quickly as possible.

Early Access

Recognising the emergency and calling 999 for an ambulance as quickly as possible

Early CPR

Carrying out CPR delivers oxygen to the heart, brain and other vital organs to prevent the patient from becoming hypoxic (lack of oxygen to the tissues, which causes them to start dying).

Early Defibrillation

Use of a defibrillator to deliver an electric shock to the heart in an attempt to restore normal sinus rhythm

Early Advanced Life Support

Intensive care facilities and a range of life saving drugs can be given in hospital and, in some cases, out in public



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