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自Ｄａｙ［１］等证实Ｑ－Ｔ离散度（Ｑ－Ｔ）是心室肌复极局部差异的反映以来，在国内外得到广泛的关注。本文通过观察４０例急性心肌梗塞（ＡＭＩ）病人早期Ｑ－Ｔ离散度Ｑ－Ｔｄ及Ｑ－Ｔｃｄ变化，以探讨与急性心肌梗塞预后的关系。１ 对象与方法１．１ 对象 选择１９９
Since Day [1] confirmed that Q-T dispersion (Q-T) is a reflection of local differences in ventricular repolarization, it has received widespread attention both at home and abroad. In this paper, the changes of Q-Td and Q-Tdc in early Q-T dispersion in 40 AMI patients were observed to explore the relationship with the prognosis of acute myocardial infarction. 1 objects and methods 1.1 object selection 199