Methods:QTd and corrected QT dispersion(QTcd)were measured on electrocardiogram in 56 patients with AMI. QTd and QTcd in the group of patients with VT were compared with that of patients without VT.
方法：测定56例急性心肌梗死患者心电图QT间期离散度与校正的QT间期离散度，将其分为室性心律失常组和无室性心律失常组，并进行比较。
Methods:QTd and corrected QT dispersion(QTcd)were measured on electrocardiogram in 56 patients with AMI. QTd and QTcd in the group of patients with VT were compared with that of patients without VT.
方法：测定56例急性心肌梗死患者心电图QT间期离散度与校正的QT间期离散度，将其分为室性心律失常组和无室性心律失常组，并进行比较。
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