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射频消融治疗起源于希氏束旁的局灶性房速3例

Lei ZHANG, Xiong-yan JIA,Yuan-yuan CHENG,Yuan YUAN,Fu YI

Chinese Heart Journal（2018）

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Abstract
1 临床资料 患者一,女,64岁.因阵发性心悸、胸闷3年收治.查体未见明显异常体征.心电图(ECG)见图1.心脏彩超未见异常,左室射血分数(LVEF)56％.诊断:阵发性室上性心动过速.入院行心脏电生理检查,心室及冠状窦程序刺激未见旁道及房室结双径路证据,予异丙肾上腺素激发后冠状窦近端S1S2刺激诱发心动过速,腔内心电图(EGMs)示AA间期350 ms,AV1∶1下传,心室起搏见室房分离,心室拖带后停止为V-A-A-V表现,支持房速.
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