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起源于上腔静脉房性心动过速的心电图特征及导管射频消融治疗 被引量:2

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摘要 目的探讨起源于上腔静脉房性心动过速(AT)的12导联体表心电图特征及导管射频消融(RFCA)治疗。方法对3例上腔静脉起源AT患者行RFCA治疗,并分析其12导联体表心电图的特征。结果3例患者经RFCA治疗均lipid成功,AT的最早起源位于上腔静脉内,消融有效靶点距其口部分别为0.5、1.0、2.0cm,双极心内电图A.P间期分别为54、35、40ms。P波形态在Ⅰ、Ⅱ、Ⅲ、aVF、V1导联为正向,aVR、aVL导联为负向。结论RFCA治疗上腔静脉起源的局灶性AT安全有效。掌握其体表心电图特点有助于RFCA术前初步判定其起源部位,缩短手术时间、提高成功率。
出处 《中国医师进修杂志(内科版)》 2009年第6期38-40,共3页 Chinese Journal of Postgraduates of Medicine
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