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起源于右冠窦和左主干室性早搏各一例

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摘要 2例室性早搏(简称室早)均呈左束支传导阻滞图形,Ⅱ、Ⅲ、aVF呈R型。1例心电图Ⅰ导联r型、aVL导联呈rS型,aVR呈QS型,V1导联呈QS型,V2、V3导联呈rS型,V5、V6导联呈R型,胸前移行导联V4导联,右室流出道间隔部消融未成功,成功靶点在右冠窦。另1例心电图Ⅰ、aVL导联呈QS型,V1导联呈rS型,V3呈Rs型,胸前移行导联V3导联,发现理想靶点为左主干根部,终止手术。结论:通过体表心电图QRS波的形态、振幅、极性、移行、顿挫可初步判断室早起源部位,但最终仍需腔内精确的标测和消融。
出处 《中国心脏起搏与心电生理杂志》 2012年第5期463-464,共2页 Chinese Journal of Cardiac Pacing and Electrophysiology
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