What is the main purpose of defibrillation?

A defibrillator is a device that gives a high energy electric shock to the heart of someone who is in cardiac arrest. This high energy shock is called defibrillation, and it’s an essential part in trying to save the life of someone who’s in cardiac arrest.

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Why is early defibrillation important?

Vital organs will start to die when they loose their supply of oxygen rich blood. The brain for example will start to die within minutes. Early CPR and early defibrillation is extremely important following a cardiac arrest. The earlier effective CPR and defibrillation is received the higher the chance of survival.