Automated external defibrillator - Definition

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An automated external defibrillator, or AED, is a medical device that performs, completely independently of human aid, the electrical discharge needed to restart cardiac activity. Normally used in public places, this type of defibrillator functions on batteries and is easily transported. On its own, it proceeds to analyze the heartbeat of the heart attack victim in order to administer a defibrillation adapted to the particular case. The amateur or professional first-aid worker has only to put the electrodes in place.