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P-R间期延长临床应用新认识

Chinese Journal of Convalescent Medicine(2014)

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Abstract
目的:探讨心电图P-R间期延长临床应用新认识,旨在为提高飞行人员P-R间期延长的鉴别诊断提供参考依据。方法结合飞行人员心电图检查资料及近年来相关文献报道,对P-R间期延长临床应用新认识进行综述。结果①P-R间期延长伴窄QRS波群:以一度房室阻滞最为常见,此外,尚可见于房室结慢径路传导、迷走神经张力过高、干扰性P-R间期延长,也可能是双束支同步传导延缓等。②P-R间期延长伴宽QRS波群:多见于双束支不同步阻滞,亦可为一度房室阻滞合并一侧束支三度阻滞等。③P-R间期显著延长(>0.35 s)要考虑P-R间期过度延长综合征可能。结论 P-R间期延长除常见于一度房室阻滞外,还可揭示多种心电现象,具有重要的临床应用价值。
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Key words
E lectrocardiogram,P-R interval,A trial-ventricular block,C linical application,Flight personnel
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