[Paroxysmal atrial fibrillation and atrial flutter preceded by atrial extrasystole].
D001281:Atrial Fibrillation; D001282:Atrial Flutter; D005117:Cardiac Complexes, Premature; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged
Fibrilaţie atrială şi flutter atrial paroxistice, precedate de extrasistole atriale.