将急性心肌梗死大鼠随机分为3组。
The rats with acute myocardial infarction were divided into 3 groups at random.
方法：将173例急性心肌梗死病人随机双盲分为治疗组和对照组。
Methods: 173 AMI cases were randomly divided into two groups, the treatment group was administered with metoprolol besides the conventional therapy administered in the placebo group.
方法：选取住院治疗的急性心肌梗死患者76例，随机分为对照组和实验组。
Method:76 AMI patients were randomized into experimental group and control group.
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.
方法将住院行急诊经皮冠状动脉介入治疗的急性心肌梗死患者113例随机分为替罗非班组53例和对照组60例。
Methods 113 cases patients with acute myocardial infarction who were given emergency percutaneous coronary intervention were randomly to tirofiban group (53 cases) and control group (60 cases).
方法将住院行急诊经皮冠状动脉介入治疗的急性心肌梗死患者113例随机分为替罗非班组53例和对照组60例。
Methods 113 cases patients with acute myocardial infarction who were given emergency percutaneous coronary intervention were randomly to tirofiban group (53 cases) and control group (60 cases).
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