相继发生的房性期前收缩及室性并行搏动同步三联律1例
Journal of Electrocardiology and Circulation(2013)
Abstract
患者男性,55岁,因心悸不适入院就诊。临床诊断:心悸待排。入院后动态心电图(图1)示主导节律P波直立且形态一致,P-P间期基本相等,为窦性心律,P-R间期0.24s。A段P 6 ,B段P 2 、P 5 、P 8 与C段P 2 、P 5 、P 8 均提前出现且形态一致,与窦性P波偶联间期相等,为同源房性期前收缩。A段R 2 、R 5 、R 8 ,B段R 2 、R 5 、R 8 与C段R 2 、R 5 、R 8 均提前出现,QRS波群均宽大畸形,之间的R-R间期基本相等,与窦性P波偶联间期不等,为室性并行心律。心电图诊断:窦性
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