结果：快径与慢径的顺传ERP有极显著性差异（P＜0．001）。
Results: There existed a significant difference in anterograde ERP of fast and slow pathways(p<0. 001 ).
结论绝大多数在体房室结固有逆传功能明显低于房室顺传，或呈单向传导。
Conclusion Intrinsic atrioventricular conduction ability is poor, representing unidirectional conduction in majority of cases.
比较冠状动脉狭窄与冠状动脉正常者，其房室传导系统房室顺传及室房逆传的电生理特征。
To evaluate the electrophysiological characteristics of antrograde and retrograde atrioventricular node conduction in the patients with or without coronary artery stenosis.
比较冠状动脉狭窄与冠状动脉正常者，其房室传导系统房室顺传及室房逆传的电生理特征。
To evaluate the electrophysiological characteristics of antrograde and retrograde atrioventricular node conduction in the patients with or without coronary artery stenosis.
应用推荐