Conclusion:The temporary IRBBB of 27 patients with WPW syndrome by catheter ablation may be related to the linking phenomenon of concealed conduction.

• 结论:预激综合征导管消融术后出现短暂的不完全性右束支阻滞(IRBBB)的心电图表现可能与隐匿性传导形成的蝉联现象有关。