组，慢径消融后其快径前传功能不应期和有效不应期缩短不明显，随访期间有5例复发心动过速。

C group, function refractory period and effective refractory period not obviously shortened after slow pathway ablation, tachycardia for 5 patients while following up.

youdao

目的对房室结慢径消融术后快径路前传不应期的变化与房室结传导特性的关系进行分析。

Objective to analyze the relation between the changes of fast pathway antegrade effective refractory period after slow pathway ablation and the conductive features of atrioventricular node.

youdao