【摘 要】
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目的 探讨P波离散度与左房增大的关系,并分析P波离散度对左房增大的诊断价值.方法 选择60例经超声心动图诊断为左房增大的患者为观察组,同期体检健康人群60例为对照组.所有对
【机 构】
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嘉兴市第二医院,浙江,嘉兴,314001
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目的 探讨P波离散度与左房增大的关系,并分析P波离散度对左房增大的诊断价值.方法 选择60例经超声心动图诊断为左房增大的患者为观察组,同期体检健康人群60例为对照组.所有对象均接受心电图检查.结果 (1)观察组Pd为(46.2±13.5)ms,对照组为(23.8±9.3)ms,两组比较(P<0.05);(2)将观察组心房内径(LAD)与Pd作相关性分析(r为0.873,P<0.05);(3)Pd为25ms时,对左房增大灵敏度、特异度及约登指数分别为96.67%、75%、0.7176;Pd为30ms时,灵敏度、特异度及约登指数分别为95.00%、91.67%、0.8667.结论 左房增大患者中表现出Pd增大,且取Pd30ms为诊断标准时,对左房增大具有较高的诊断价值.
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