sinoatrial block, and alternating episodes of tachycardia and bradycardia. [1] A large proportion of SND patients also have atrial fibrillation (AF) and prolonged sinus pauses after AF termination ...
and normal ejection fraction (63.1 ± 2.3%). Two patients suffered from paroxysmal atrial fibrillation. Two patients were complicated with atrioventricular nodal reentrant tachycardia. Three ...