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aVR导联对在急诊心动过速鉴别诊断的作用 被引量:1

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摘要 心动过速是常见心脏科急症,通常根据QRS波时限将心动过速分为窄QRS波心动过速(QRS时限<0.12 s)和宽QRS波心动过速(QRS时限≥0.12 s)。窄QRS波心动过速大多数为室上性心动过速(SVT),极少数情况下也可能是起源于希浦系统近端的室性心动过速;而宽QRS波心动过速中80%为室性心动过速(VT),20%可能是室上性心动过速伴束支阻滞或差异性传导、伴旁道前传或逆向型房室折返性心动过速。由于不同类型心动过速的临床处理方法不同,对心动过速起源部位的诊断和鉴别具有十分重要的临床意义。
出处 《心电图杂志(电子版)》 2014年第2期118-121,共4页 Journal of Electrocardiogram(Electronic Edition)
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  • 1Yi-Lwun Ho,Lian-Yu Lin,Jiunn-Lee Lin,Ming-Fong Chen,Wen-Jone Chen,Yuan-Teh Lee.Usefulness of ST-segment elevation in lead aVR during tachycardia for determining the mechanism of narrow QRS complex tachycardia[J].The American Journal of Cardiology.2003(12)
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