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急性心肌梗塞（ＡＭＩ）后Ｑ—Ｔ离散度（Ｑ—Ｔｄ）较正常人明显增加，且与心律失常、泵功能不全及住院死亡率呈正相关［１］。文献报导加镁极化液可缩小梗塞范围及降低心律失常的发生率［２］。本文对１０５例ＡＭＩ患者的心电图进行分析，旨在探讨ＡＭＩ起病时Ｑ一Ｔｄ及应
Q-T dispersion (Q-Td) after acute myocardial infarction (AMI) was significantly higher than that of normal people, and was positively correlated with arrhythmia, pump insufficiency and hospital mortality [1]. Literature reports plus magnesium solution can reduce infarct size and reduce the incidence of arrhythmia [2]. In this paper, 105 patients with AMI ECG analysis to explore the onset of AMI Q-Td and should