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完全性左束支传导阻滞并急性心肌梗死的心电图分析 被引量:2

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摘要 目的提高完全性左束支传导阻滞(CLBBB)合并急性心肌梗死(AMI)的心电图诊断准确性。方法对首次发现218例CLBBB患者,急查心肌酶检出14例(6.42%)AMI者,分析其心电图特征。结果前间壁心肌梗死9例,8例Ⅴ1、Ⅴ2、Ⅴ3导联呈QS型,7例Ⅴ1、Ⅴ2、Ⅴ3导联ST段呈单向弓背向上抬高0.4~0.8mV,T波直立,其J点不易识别,2例ST段垂直抬高与T波相融呈似一大“R”型。广泛性前壁心肌梗死1例,其Ⅴ1~Ⅴ3导联呈rS型,Ⅴ6导联QRS波群呈现宽阔而顶端粗钝的R波,Ⅴ1~Ⅴ4ST段弓背向上抬高0.3~0.5mV,STⅤ5、Ⅴ6、Ⅰ、aVL导联斜向上抬高0.1~0.2mV。4例下壁心肌梗死,3例Ⅱ、Ⅲ、aVF导联均呈QS型,ST段弓背向上抬高0.3~0.5mV,T波直立。结论心电图中异常Q波及QRS主波向下时ST段呈单向弓背向上抬高0.3~0.8mV或QRS主波向上时ST段斜向上抬高0.1~0.2mV对CLBBB并AMI均有重要的诊断价值。
出处 《中国基层医药》 CAS 2005年第5期613-614,共2页 Chinese Journal of Primary Medicine and Pharmacy
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参考文献5

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二级参考文献1

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共引文献5297

同被引文献15

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