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一、资料我科于1992年10月和1993年11月先后对2例经体表心电图确诊为心房扑动伴心室率过速的患者,施行了心房调搏术纠治男、女各1例,年龄分别为54岁和43岁。均为器质性心脏病。房扑率平均为300次/分,均为2:1房室传导。二、方法食道调搏采用XD-2A型心脏电生理诊疗仪。在心电监护下,用S、S_1超速抑制法,使S_1的刺激频率高于自身房扑率30～50次左右,在心电图显示心房、心室被夺获后给予5～10秒的猝发刺激,然后每次增加30～50次,直到房扑被终上。三、结果 2例房扑经心房调搏治疗后转为房颤,心室率80～90次/分,取得了满意的临床效果。四、讨论众所周知,房扑系折返机制引起的快
First, the information of our department in October 1992 and November 1993 successively on 2 cases of surface ECG confirmed as atrial flutter with ventricular tachycardia in patients performed atrial pacing correction of male and female in 1 case, The ages are 54 and 43 respectively. All organic heart disease. The average rate of atrial flutter 300 times / min, are 2: 1 atrioventricular conduction. Second, the method of esophageal pacing XD-2A cardiac electrophysiology treatment instrument. Under ECG monitoring, with S, S 1 overstimulation method, so that S 1 stimulation frequency higher than their own atrial flutter rate of 30 to 50 times in the ECG showed atrial and ventricular seizures were given after 5 to 10 seconds of burst stimulation, and then Each increase of 30 to 50 times until the atrial flutter was the end. Third, the results of 2 cases of atrial flutter after atrial pacing transferred to atrial fibrillation, ventricular rate of 80 to 90 beats / min, and achieved satisfactory clinical results. Fourth, the discussion As we all know, atrial fibula Department reentry mechanism caused by fast