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患者女性,42岁。心悸反复发作7年。诊断B型预激综合征。心内电生理检查提示房室旁道位于左后间隔旁。房室旁道前向传导有效不应期(ERP)270ms,房室结前向传导ERP260ms,室房传导ERP≤230ms(心室ERP230ms)。程序刺激可以诱
Patient female, 42 years old. Palpitation repeated attacks for 7 years. Diagnosis of B-WPW syndrome. Cardiac electrophysiological examination prompted atrioventricular bypass located in the left posterior space. Atrioventricular anterior conduction effective refractory period (ERP) 270ms, atrioventricular node forward conduction ERP260ms, room conduction ERP ≤ 230ms (ventricular ERP230ms). Program stimulation can lure