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患者,女性,28岁,已婚。于1986年2月20日妊娠第10周时,突感心悸,心电图检查示阵发性房性心动过速,心率200次/分。静注异搏停5mg 后心电图示房速伴干扰性Ⅱ°二型房室传导阻滞(2∶1),心室率100次/分,症状消失。以后心率在120～150次/分,多次心电图检查证实房速持续存在。曾多次静注异搏停或西地兰,心室率可减慢,但心房率不变,照常工作。入院前半月
Patient, female, 28 years old, married. February 20, 1986 at the 10th week of pregnancy, sudden heart palpitations, electrocardiogram showed paroxysmal atrial tachycardia, heart rate 200 beats / min. After intravenous injection of verapamil stop 5mg ECG showed room with type Ⅱ Ⅱ degree atrioventricular block (2: 1), ventricular rate of 100 beats / min, the symptoms disappear. After the heart rate 120 to 150 beats / min, multiple electrocardiographic examination confirmed the continued existence of atrial tachycardia. Repeated intravenous injection of verapamil or cedilanid, ventricular rate can be slow, but the atrial rate unchanged, as usual. Half a month before admission