窦性早搏是少见的心律失常,尤其触发引起的阵发性窦性心动过速更属罕见。我院发现1例,现结合文献复习报告如下。患者男性,33岁,因反复发作心悸、头昏1年余入院。临床诊断扩张型心肌病。多次心悸发作时记录的心电图示“阵发性室上性心动过速”,按压眼球及颈动脉窦,经食道左房超速起搏均不能终止(图1,见第35页)。曾于心律正常时经食道用程控单刺激、双刺激或4次刺激从400毫秒开始,自动多次反扫,未能诱发出心动过速。入院后先后用异搏定、普鲁卡因酰胺及苯妥英钠等药物治疗, Premature sinus is a rare arrhythmia, especially triggered by paroxysmal sinus tachycardia is rare. 1 case found in our hospital, now combined with the literature review report is as follows. Male patient, 33 years old, due to recurrent heart palpitations, dizziness, more than 1 year admitted to hospital. Clinical diagnosis of dilated cardiomyopathy. Multiple cardioversion episodes recorded ECG “paroxysmal supraventricular tachycardia”, press the eye and carotid sinus, transesophageal atrial pacing can not be terminated (Figure 1, see page 35). Had normal heart rate when using transesophageal program-controlled single stimulation, double stimulation or 4 stimulation from 400 milliseconds, automatic multiple sweep, failed to induce tachycardia. After admission with verapamil, procainamide and phenytoin and other drugs,