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目的 :探讨QTd与急性心急梗死 (AMI)发生室性心动过速 (VT)、心室纤颤 (VF)的关系 ;方法 :选择 86例AMI病人其中伴VT、VF者 1 4例与非VT、VF者 72例 ,及正常人分别测其QTd、QTcd进行比较 ;结果 :AMI伴VT、VF与AMI非VT、VF二者的QTd、QTcd的值比较差异显著 ,且二者均明显高于正常人 ;结论 :当AMI时QTd≥ 1 0 0ms可做为对AMI发生VT、VF的预测指标。
Objective: To investigate the relationship between QTd and ventricular tachycardia (VT) and ventricular fibrillation (VF) in patients with acute myocardial infarction (AMI). Methods: Totally 86 patients with AMI were enrolled in this study. QTd and QTcd in 72 normal subjects were compared. Results: There were significant differences in QTd and QTcd values between AMI with VT, VF and AMI with no VT and VF, and both were significantly higher than normal Person; Conclusion: QTd≥10 ms at AMI can be used as predictors of VT and VF in AMI.