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What is an AED?

Heartsine AEDAn automated external defibrillator (AED) is a portable device that delivers an electric shock to the heart. The shock can stop an irregular rhythm commonly known as fibrillation and allow a normal rhythm to resume in a sudden cardiac arrest patient. Sudden cardiac arrest is an abrupt loss of heart function. If it’s not treated within minutes, it quickly leads to death.

Most sudden cardiac arrests result from ventricular fibrillation. This is a rapid and unsynchronized heart rhythm starting in the heart’s lower pumping chambers (the ventricles). The heart
must be “defibrillated” quickly, because a victim’s chance of surviving drops by 7 to 10 percent for every minute a normal heartbeat isn’t restored.

Why are AEDs important?

AEDs make it possible for more people to respond to a medical emergency where defibrillation is required. Because AEDs are portable, they can be used by nonmedical people. They can be made part of emergency response programs that also include rapid use of 9-1-1 and prompt delivery of cardio pulmonary resuscitation (CPR). All three of these activities are vital to improving
survival from cardiac arrest.

How does an AED work?
A built-in computer checks a victim’s heart rhythm through adhesive electrodes. The computer calculates whether defibrillation is needed. If it is, a recorded voice tells the rescuer to press the shock button on the AED. This shock momentarily stuns the heart and stops all activity. It gives the heart the chance to resume beating effectively. Instructions guide the user through the process. AEDs advise a shock only for ventricular fibrillation or another life-threatening condition called pulseless ventricular tachycardia.

Who can use an AED?
Non-medical personnel such as police, fire service personnel, flight attendants, security guards and other lay rescuers who have been properly trained can use AEDs. Are AEDs safe to use?

aed-signWhere should AEDs be placed?

AEDs should be placed in public areas such as medical offices, warehouses, office complexes, sports arenas, gated communities, airports, and any other public or private place where large numbers of people gather or where people at high risk for heart attacks live.




Where can I get AED training?
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January 26, 2015 in AED, In the News | Read more »

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