auricular fibrillation


a·tri·al fi·bril·la·tion

, auricular fibrillationfibrillation in which the normal rhythmic contractions of the cardiac atria are replaced by rapid irregular twitchings of the muscular wall; the ventricles respond irregularly to the dysrhythmic bombardment from the atria. Synonym(s): ataxia cordis

a·tri·al fi·bril·la·tion

, auricular fibrillation (ā'trē-ăl fib'ri-lā'shŭn, aw-rik'yū-lăr) Fibrillation in which the normal rhythmic contractions of the cardiac atria are replaced by rapid irregular twitchings of the muscular wall; the ventricles respond irregularly to the dysrhythmic bombardment from the atria.

auricular fibrillation

See ATRIAL FIBRILLATION.

a·tri·al fi·bril·la·tion

, auricular fibrillation (ā'trē-ăl fib'ri-lā'shŭn, aw-rik'yū-lăr) Fibrillation in which normal rhythmic contractions of the cardiac atria are replaced by rapid irregular twitchings of the muscular wall.