Ventricular fibrillation: An abnormal irregular heart
rhythm whereby there are very rapid uncoordinated fluttering contractions of the lower
chambers (ventricles) of the heart. Ventricular fibrillation disrupts the synchrony between
the heartbeat and the pulse beat. Ventricular fibrillation is most commonly associated
with heart attacks or scarring of the heart muscle from previous heart attack. It is life
threatening. Ventricular fibrillation is most commonly associated with heart attacks or
scarring of the heart muscle from previous heart attack. It is life threatening. Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=5979
Last Editorial Review: 3/26/1998 2:29:00 PM
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