C group, function refractory period and effective refractory period not obviously shortened after slow pathway ablation, tachycardia for 5 patients while following up.
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。
2
The adoption vitreous body ablation surgical operation is able to treat the impatient retina in earlier period necrosis effectively.
采用玻璃体切除手术能有效治疗早期急性视网膜坏死。
3
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.