窄QRS心动过速的分类及体表心电图诊断

Medical Recapitulate(2005)

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Abstract
窄QRS心动过速是临床最常见的心动过速[1](134),指QRS波时间<0.12s,频率>100次/min的心动过速,窄QRS心动过速系由室上性激动经完好的希-浦氏系统下传至心室所致[2].窄QRS心动过速分类方法众多[3,4].在此基础上把窄QRS心动过速分为窦性心动过速、特发性窦性心动过速、窦房折返性心动过速、房性心动过速、房颤伴快速心室率、心房扑动2:1或1:1传导、房室交界性心动过速、旁道参与的房室折返性心动过速、分支性室性心动过速.本文旨在探讨各种具有急症意义的窄QRS心动过速的识别,为临床正确处理提供理论指导.
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