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目的 :探讨急性心肌梗死 QT离散度 (QTd)与预后的关系。方法 :分析 5 5例急性心肌梗死 (AMI)患者中的死亡组 (14例 )与生存组 (4 1例 )的 QTd变化。结果 :AMI组的 QTd增大 ,显著高于正常组 (P<0 .0 0 1) ,死亡组的 QTd增加明显长于生存组 (P<0 .0 0 1)。结论 :AMI的 QTd增大对预测其预后有一定价值
Objective: To investigate the relationship between QTd and prognosis in acute myocardial infarction. METHODS: QTd changes were analyzed in death group (14 patients) and survival group (41 patients) in 55 acute myocardial infarction (AMI) patients. Results: The QTd of AMI group was significantly higher than that of normal group (P <0.01). The QTd of death group was significantly longer than that of survival group (P <0.01). Conclusion: The increase of QTd in AMI has some value in predicting its prognosis