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患者男性,24岁,因阵发性心动过速发作2次而入院。第1次发作因感冒后心悸、心率160次/分,外院心电图(EKG)拟诊:阵发性室上性心动过速。经用异搏定、美西律、胺碘酮静注无效,再用新福林才转为窦律,发作持续1.5小时。间隔1个月后第2次发作,心率155次/分,经用异搏定10mg 后转律。入院:BP13/8kPa(98/60mmHg),P80次/分,心肺听诊、胸透、EKG 和超声心动图无异常。心内电生理检查时,电极插入右心室即诱发心动过速。EKG 示(图1):心室率148次/分,电轴左偏,右束支传导阻滞
The patient, male, was 24 years old and admitted to hospital for episodes of paroxysmal tachycardia. The first episode due to flu after heart palpitations, heart rate 160 beats / min, outside the hospital ECG (EKG) proposed diagnosis: paroxysmal supraventricular tachycardia. With verapamil, mexiletine, amiodarone intravenous ineffective, and then changed to the new Fulin sinus law, the attack lasted 1.5 hours. Interval of 1 month after the second attack, heart rate 155 beats / min, after treatment with verapamil 10mg turnaround. Admission: BP13 / 8kPa (98 / 60mmHg), P80 beats / min, cardiopulmonary auscultation, chest X-ray, EKG and echocardiography no abnormalities. Cardiac electrophysiological examination, the electrode into the right ventricle that triggers tachycardia. EKG showed (Figure 1): ventricular rate of 148 beats / min, left axis deviation, right bundle branch block