ventricular fibrillation

[ ven-trik-yuh-ler fib-ruh-ley-shuhn ]

nounPathology.
  1. a cardiac arrhythmia, or irregular heartbeat, caused by rapid, chaotic electrical impulses to the ventricles: prevents the heart from pumping blood normally, which leads to a complete loss of blood pressure and pulse, followed rapidly by death if not treated. Abbreviation: VF, VFib.: Compare atrial fibrillation.

Origin of ventricular fibrillation

1
First recorded in 1905–10

Words Nearby ventricular fibrillation

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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