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心电散点图呈现的房室结功能不应期及对宽QRS波的鉴别 被引量:26

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摘要 心电散点图亦称RR间期散点图,其二维直角坐标系中的每个散点所对应的横、纵坐标是相邻两个RR间期值。心房颤动(简称房颤)的散点图呈现了动态房室结功能不应期(AVNFRP)的电生理特征,可用于判断房室分离和宽QRS波的鉴别诊断:房颤时最短的RR间期可以作为AVNFRP的估算值,房颤扇形散点分布的图形边缘是动态AVNFRP界线(简称界线)。经房室结下传的室上性心搏散点都分布在扇形之中,而室性宽QRS波的散点可分布在扇形之外,是房室分离的散点图特征。组成"界线"的各散点所代表的室上性RR间期有心率依赖性,而室性联律间期无明显心率依赖性,二者有明显差异,也是房室分离的重要依据。房颤伴差异性传导、房颤伴预激、窦性心律时的差异性传导与室性早搏都有特异性散点图形。提示心电散点图对动态心电数据中宽QRS波的鉴别诊断具有优势。
出处 《中国心脏起搏与心电生理杂志》 北大核心 2011年第1期16-19,共4页 Chinese Journal of Cardiac Pacing and Electrophysiology
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参考文献7

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二级参考文献9

  • 1李方洁,杨新春,白净,曾辉,郭小玉,符一飞,王静,李忠莉,李俊华.1153例Lorenz散点图与动态心电图诊断的对比研究[J].临床心电学杂志,2006,15(5):330-333. 被引量:36
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共引文献48

同被引文献117

  • 1刘晓玲,张夏琳,赵航.应用心电散点图鉴别心房颤动伴宽QRS波群的性质[J].江苏实用心电学杂志,2013,22(6):904-905. 被引量:4
  • 2马向荣.节律重整的心电图表现[J].中国实用心电杂志,1995,16(1):11-17. 被引量:2
  • 3李方洁.Lorenz散点图[J].临床心电学杂志,2005,14(4):307-307. 被引量:26
  • 4李方洁,杨新春,白净,曾辉,郭小玉,符一飞,王静,李忠莉,李俊华.1153例Lorenz散点图与动态心电图诊断的对比研究[J].临床心电学杂志,2006,15(5):330-333. 被引量:36
  • 5李方洁 孙旭海 赵卫东 等.房颤宽QRS波Lorenz图的鉴别诊断[J].心脏杂志,2001,15(6):543-543.
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  • 8Anan T,Nakagaki O,Nakamura M.application of lorenz and multiLorenz plot to computerized analysis of arrhythmia[J].Jpn Heart J,1982,23(Sup):694.
  • 9Chishaki AS, Li F J, Takeshita A, et al. Different Features of Ven- tricular Arrhythmias and the RR-Interval Dynamics in Atrial Fibril- lation Related to the Patient's Clinical Characteristics:An Analysisusing RR-Interval Plotting [ J ]. J Electrocardiology, 2004,37 ( 3 ) : 207 -217.
  • 10Oka T, Nakatsu T, Kusachi S, et al . Double-Sector Lorenz Plot Scattering in an R-R interval Analysis of Patients With Chronic At- rial Fibrillation: Incidence and Characteristics of Vertices of the Double- Sector Scattering[J]. J Electroeardiol,1998,31 (3) :227- 235.

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