atrial fibrillation

n.

Fibrillation in which the normal rhythmical contractions of the cardiac atria are replaced by rapid irregular twitchings of the muscular wall that cause the ventricles to respond irregularly.a-fib auricular fibrillation

Nearby words

atrial chaotic tachycardia,
atrial complex,
atrial conduction,
atrial dissociation,
atrial extrasystole,
atrial flutter,
atrial fusion beat,
atrial natriuretic factor,
atrial septal defect,
atrichia