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碎裂QRS波在急性心肌梗死诊断及预后中的意义 被引量：26

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摘要 目的探讨心电图碎裂QRS波(fQRS波)在急性心肌梗死(AMI)诊断及预后中的应用价值。方法冠心病AMI者(AMI组)、非AMI冠心病者(对照组)各110例。入院3 d内同步12导联心电图检查示单纯fQRS波者25例、单纯病理性Q波者29例、fQRS波合并病理性Q波者44例、单纯ST段改变者12例,对比观察前三者在AMI患者中的发生率、敏感性、特异性、阳性预测值、阴性预测值。观察有fQRS波者(69例)及无fQRS波者(41例)院期间严重并发症(包括Ⅲ度房室传导阻滞、室颤或室速、急性肺水肿、心源性休克)、心功能不全(NYHA分级Ⅲ～Ⅳ级)情况及心源性死亡发生率。结果 fQRS波合并病理性Q波诊断AMI敏感性(40.00%)、阳性预测值(90.63%)均高于单纯fQRS波(分别为22.72%、83.33%)和单纯病理性Q波(分别为26.36%、69.05%)。单纯fQRS波诊断AMI的敏感性稍低于单纯病理性Q波,但特异性及阳性预测值高于后者。在STEMI者中,fQRS波发生率为65.12%,病理性Q波为77.91%(P﹥0.05);在NSTEMI中分别为54.17%、25.00%(P<0.05)。AMI组中有fQRS波者急性肺水肿、严重并发症、心功能不全、心源性死亡发生率明显高于无fQRS波者(P均<0.05)。结论fQRS波在AMI诊断中特异性及阳性预测值高于单纯病理性Q波,fQRS波合并病理性Q波诊断AMI的敏感性、阳性预测值更高。fQRS波有助于评估心肌梗死患者的预后。
作者 孟令波 史新长
机构地区 开封市陇海医院
出处 《山东医药》 CAS 2013年第26期81-83,共3页 Shandong Medical Journal
关键词 心电图 碎裂QRS波 病理性Q波
分类号 R541.4 [医药卫生—心血管疾病]
  • 相关文献

参考文献16

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二级参考文献45

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共引文献207

同被引文献166

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引证文献26

二级引证文献131

山东医药
2013年 第26期

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