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QT离散度（QTd）是指心电图各导联间QT时限变异的程度，它反映了心室复极过程中局部心肌电生理的紊乱。为分析急性心肌梗死（AMI）QT间期离散度变化对临床的指导意义，本文通过对AMI患者QTd的观察，探讨它与梗死面积、泵功能分级及溶栓的关系，为AMI患者的预后提供一些参考指标。
QT离散度在急性心肌梗死治疗前后的变化及临床意义
【摘 要】
：
QT离散度（QTd）是指心电图各导联间QT时限变异的程度，它反映了心室复极过程中局部心肌电生理的紊乱。为分析急性心肌梗死（AMI）QT间期离散度变化对临床的指导意义，本文通过对AMI患者Q
【机 构】
：
黑龙江省大庆市人民医院
【出 处】
：
中国实用医药
【发表日期】
：
2008年4期
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