非阵发性房性心动过速(简称NPAT),亦称加速性房性自主心律,是一种少见的房性异位心律。作者近年遇见8例,经治疗全部恢复窦律,随访6～12月均无复发,现结合患者的临床与心电图资料(附表)讨论如下。心房的结间束和房间束内存在有自律细胞,正常 Non-paroxysmal atrial tachycardia (referred to as NPAT), also known as accelerated atrial pacemaker, is a rare atrial ectopic rhythm. In recent years, the authors met eight cases, all the recovery of sinus rhythm after treatment, no recurrence of follow-up 6 to 12 months, are now combined with the patient’s clinical and ECG data (Schedule) are discussed below. Between the atrioventricular tract and room beam there is a self-regulatory cells, normal