ventricular fibrillation

ventricular fibrillation

noun
Pathology. a cardiac arrhythmia characterized by rapid, chaotic electrical impulses to the ventricles, incomplete ventricular contractions, and resultant loss of pulse and blood pressure.
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Medical Dictionary

ventricular fibrillation n.
An often fatal form of arrhythmia characterized by rapid, irregular fibrillar twitching of the ventricles of the heart in place of normal contractions, resulting in a loss of pulse.

The American Heritage® Stedman's Medical Dictionary
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