Definition of Fibrillation

1. Noun. Muscular twitching involving individual muscle fibers acting without coordination.

Generic synonyms: Twitch, Twitching, Vellication
Specialized synonyms: Atrial Fibrillation, Ventricular Fibrillation
Derivative terms: Fibrillate

2. Noun. Act or process of forming fibrils.
Generic synonyms: Branching, Fork, Forking, Ramification

Definition of Fibrillation

1. n. The state of being reduced to fibers.

Definition of Fibrillation

1. Noun. The rapid, irregular, and unsynchronized contraction of the muscle fibers of the heart. ¹

¹ Source:

Definition of Fibrillation

1. [n -S]

Medical Definition of Fibrillation

1. A small, local, involuntary contraction of muscle, invisible under the skin, resulting from spontaneous activation of single muscle cells or muscle fibres. (12 Nov 1997)

Fibrillation Pictures

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Lexicographical Neighbors of Fibrillation

fibrillar baskets
fibrillar centre
fibrillar region
fibrillary astrocytoma
fibrillary chorea
fibrillary contractions
fibrillary neuroma
fibrillary waves
fibrillation (current term)
fibrillation threshold
fibrillatory waves

Literary usage of Fibrillation

Below you will find example usage of this term as found in modern and/or classical literature:

1. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1919)
"The first series was composed of cases with auricular fibrillation, ... For study as to prognosis the groups of auricular fibrillation and pulsus alternans ..."

2. The Principles and Practice of Medicine: Designed for the Use of by William Osler, Thomas McCrae (1912)
"PULSE TRACING PROM A CASE OP AURICULAR fibrillation. The symptoms due to the fibrillation itself cannot be appreciated in the cases of mitral stenosis, ..."

3. Clinical Disorders of the Heart Beat: A Handbook for Practitioners and Students by Thomas Lewis (1920)
"But where there is any hesitancy to perform an operation, apart from the cardiac condition, the presence of fibrillation should countermand it. ..."

4. Report of the Annual Meeting (1900)
"Concerning fibrillation and Pulsation of the Dog's Heart. By Dr. FC BUSCH. [From the Physiological Institute of the University of £ern. ..."

5. Handbook of therapy by Oliver Thomas Osborne, Morris Fishbein (1920)
"AURICULAR fibrillation While auricular fibrillation is a clinical entity, ... The irregular pulse in articular fibrillation is more or less distinctive, ..."

6. Monographic Medicine by Albion Walter Hewlett, Henry Leopold Elsner (1916)
"Most patients coming under observation with auricular fibrillation show this ... Occasionally, however, even when fibrillation has persisted for a long ..."

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