Sunday, November 4, 2007

What is a Defibrillator?


A defibrillator is a machine used to shock the victim's heart and restore the heart's normal rythmic patterns. When a defibrillator is used, it in effect kicks the heart into action again, causing it to resume sending blood throughout the body.

18 people die every day as the result of sudden cardiac arrest (SCA). Some people confuse SCA with a heart attack. They are by no means the same. With a heart attack, caused by blockage of the arteries, the victim feels sever chest pains but almost always remains conscious; however, SCA victims will always lose consciousness. Researchers state that SCA is the result of a "ventricular fibrillation" -- a quivering of the heart which prevents the heart muscle from pumping blood to the body.

To overcome this condition, the victim will need various forms of help in order to survive -- the most important of which may well be the assistance of a defibrillator. Each minute that passes without defibrillation decreases the victim's survival chances by 10 percent.

Hospital defibrillators are expensive machines which send voltage through two paddles doctors place on a heart attack victim's chest area. Automated External Defibrillator's (AEDs) have become the norm in schools, gymnasiums, city offices, and workout facilities. An AED is a compact defibrillator contained in a box roughly the size of a child's lunchbox.

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