Added: Jul 20, 2008
Sudden cardiac arrest occurs when the lower chambers of the heart suddenly stop beating normally and develop what is called ventricular fibrillation. Ventricular fibrillation is a very fast, chaotic heart rate in the lower chambers of the heart. Ventricular fibrillation quickly becomes more erratic, resulting in sudden cardiac arrest. If this is not corrected immediately via a shock from an external defibrillator or an implantable cardioverter defibrillator, death will follow.
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