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.
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a scrap or morsel of food left at a meal.|