Conclusion: the measurement of pulmonary vein potential delay time can be used to quickly find gaps of the left pulmonary vein conduction and supplementary guide ablation.
结论：测量肺静脉电位延迟程度，可用来快速寻找左侧环肺静脉线残余传导裂隙指导补充消融。
Myocardial sleeve fibers were found extended from the left atrium to pulmonary vein from multiple directions.
肌袖的肌纤维以不同的走行方向渐变地从左心房延续至肺门。
Results: There was no difference among the ERPs of muscle in left superior and left inferior pulmonary vein ostia, right superior and right inferior pulmonary vein ostia and left auricle(P>0.05).
结果：左心耳、左上肺静脉口、左下肺静脉口、右上肺静脉口及右下肺静脉口的ERP差异无统计学意义（P>0.05）；
Results: There was no difference among the ERPs of muscle in left superior and left inferior pulmonary vein ostia, right superior and right inferior pulmonary vein ostia and left auricle(P>0.05).
结果：左心耳、左上肺静脉口、左下肺静脉口、右上肺静脉口及右下肺静脉口的ERP差异无统计学意义（P>0.05）；
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