本文报道50例需永久性起搏器植入治疗的病态窦房结综合征患者,并对其临床经过进行评价。本组平均年龄71岁(19～94岁)。男19例,女31例。40例表现为窦性心动过缓和/或窦性停搏,其余10例为心房颤动伴有缓慢的心室率,无1例为心动过缓-心动过速综合征。50例患者中,2例有第一度传导阻滞,2例右束支传导阻滞,1例右束支传导阻滞伴左前半阻滞,3例有非特异性室内传导阻滞,3例患者心电图 This article reports 50 cases of patients with sick sinus syndrome need permanent implantation of pacemaker, and its clinical evaluation. The average age of 71 years old (19 to 94 years old). 19 males and 31 females. 40 cases showed sinus bradycardia and / or sinus arrest, the remaining 10 cases of atrial fibrillation accompanied by a slow ventricular rate, none of the cases of bradycardia - tachycardia syndrome. Of the 50 patients, 2 had a first block, 2 had a right bundle branch block, 1 had a right bundle branch block with a left anterior block, 3 had a nonspecific block and 3 had a Patient ECG