fibrillation

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noun fi·bril·la·tion \ˌfi-brə-ˈlā-shən, ˌfī-\

Definition of fibrillation

  1. 1 :  an act or process of forming fibers or fibrils

  2. 2a :  a muscular twitching involving individual muscle fibers acting without coordinationb :  very rapid irregular contractions of the muscle fibers of the heart resulting in a lack of synchronism between heartbeat and pulse

1845

First Known Use of fibrillation

1845


Medical Dictionary

fibrillation

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noun fi·bril·la·tion \ˌfib-rə-ˈlā-shən, ˌfīb-\

Medical Definition of fibrillation

  1. 1:  an act or process of forming fibers or fibrils

  2. 2a:  a muscular twitching involving individual muscle fibers acting without coordinationb:  very rapid irregular contractions of the muscle fibers of the heart resulting in a lack of synchronism between heartbeat and pulse—see atrial fibrillation, ventricular fibrillation



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