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特发性流出道室性心律失常的体表心电图定位流程 被引量:2

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摘要 不同起源位置的特发性室性心律失常导管消融手术方案,成功率、并发症率不同,术前进行体表心电图的定位尤为必要。定位流程首先根据Ⅱ、Ⅲ、aVF导联正向大R波判断是否流出道起源,根据R/S移行,V1导联r时程,V2移行比判断左、右侧流出道起源定位。接下来根据Ⅱ、Ⅲ、aVF导联R波有无切迹,Ⅰ导联QRS波方向定位右室流出道具体部位。根据Ⅰ导联QRS波方向,RⅢ、RⅡ关系,aVL导联QRS波方向判断左室流出道具体部位。最后要注意右冠窦前壁与右室流出道中、后间隔部(或肺动脉左窦后壁)起源体表心电图极难鉴别。
作者 郭雨龙 刘爽
出处 《中国心脏起搏与心电生理杂志》 2020年第5期435-436,共2页 Chinese Journal of Cardiac Pacing and Electrophysiology
基金 云南省科技厅-昆明医科大学联合专项(2018FE001(-154)) 云南省卫生技术高层次后备人才(H-2017068) 云南省卫生技术高层次后备人才(H-2018037)。
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