fib·ril·la·tion (f b r -l  shn, f br-)n. 1. The forming of fibers. 2. a. Fine, rapid twitching of individual muscle fibers with little or no movement of the muscle as a whole. b. Rapid uncoordinated twitching movements that replace the normal rhythmic contraction of the heart and may cause a lack of circulation and pulse. |
fibrillation [ˌfaɪbrɪˈleɪʃən ˌfɪb-]
n
1. (Life Sciences & Allied Applications / Physiology) a local and uncontrollable twitching of muscle fibres, esp of the heart, not affecting the entire muscle. Atrial fibrillation results in rapid and irregular heart and pulse rate. In ventricular fibrillation, the heart stops beating
2. (Medicine / Pathology) irregular twitchings of the muscular wall of the heart, often interfering with the normal rhythmic contractions
| fibrillation (fbr-lshn) A rapid twitching of muscle fibers, as of the heart, that is caused by the abnormal discharge of electrical nerve impulses. Ventricular fibrillation is life-threatening. |
fibrillation
the uncontrolled twitching of the muscular fibrils, especially of the cardiac muscles.
See also: Heart
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | fibrillation - muscular twitching involving individual muscle fibers acting without coordination twitch, twitching, vellication - a sudden muscle spasm; especially one caused by a nervous condition atrial fibrillation - fibrillation of the muscles of the atria of the heart ventricular fibrillation - fibrillation of heart muscles resulting in interference with rhythmic contractions of the ventricles and possibly leading to cardiac arrest |
| 2. | fibrillation - act or process of forming fibrils |
Translations
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