To determine the incidence and risk factors of arrhythmic complications after electrical cardioversion of acute atrial fibrillation (AF).
Our retrospective multicentre study collected data from 7660 cardioversions of acute (5 s) occurred immediately after 51 cardioversions leading to a short resuscitation in seven cases and two patients needed extrinsic pacing after the cardioversion. In nine cases, asystole was followed by bradycardia. Bradycardic ventricular rate (