fibrillation

[ fib-ruh-ley-shuhn, fahy-bruh- ]

noun

1. the formation of fibrils, or fine fibers or filaments.
2. Pathology. uncontrolled twitching or quivering of muscle fibers, such as those of the heart. atrial fibrillation ( def ), ventricular fibrillation ( def ).

fibrillation

/ ˌfaɪbrɪˈleɪʃən; ˌfɪb- /

noun

1. 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. irregular twitchings of the muscular wall of the heart, often interfering with the normal rhythmic contractions

fibrillation

/ fĭb′rə-lā′shən /

1. 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.

Word History and Origins

Origin of fibrillation¹

First recorded in 1830–40; fibrillate + -ion

Example Sentences

She continues to suffer from atrial fibrillation, breathlessness and fatigue.

From BBC

It is also used in medical care to track heart conditions like myocardial infarctions, atrial fibrillation, and atherosclerosis.

From Science Daily

He is a former heroin addict and contracted hepatitis C from intravenous drug use, and has suffered from atrial fibrillation, a type of abnormal heartbeat.

From BBC

Atrial fibrillation is the most common cardiac arrhythmia worldwide with around 59 million people concerned in 2019.

From Science Daily

It also included patients with a history of atrial fibrillation or atrial flutter, who were excluded from the previous studies.

From Science Daily