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患者男,23岁,主因“发作性心悸4年,加重4天”入院,既往健康。入院后查体:未见阳性体征。胸片和心脏彩超均大致正常,血生化检查结果正常。记录到大致正常心电图和窄QRS波心动过速。患者同意接受心内电生理检查发现:(1)心室刺激:S1S1400ms,诱发典型慢快型房室结折性返心动过速(AVNRT),慢径前传,快径逆传,His束及冠状窦电极(CS)电
Male patient, 23 years old, mainly because of “onset palpitations 4 years, aggravating 4 days ” hospital, past health. Physical examination after admission: no positive signs. Chest radiography and cardiac ultrasound are generally normal, blood biochemical test results were normal. Record approximately normal ECG and narrow QRS tachycardia. Patients agreed to undergo intracardiac electrophysiological examination and found that: (1) ventricular stimulation: S1S1400ms, induced typical slow-type atrioventricular nodal reentrant tachycardia (AVNRT), slow pathway anomalies, rapid reversion, His bundle and coronary sinus Electrode (CS) electricity