Methods:The discrete degree of QT,QTd and QTcd was separatedly measured and analyzed in 38 patients with acute myocardial infarction before and after i.v thrombolytic therapy.

• 方法 :对 38例急性心肌梗塞患者经静脉溶栓前后 QT离散度分析 ,测定其经静脉溶栓前后体表导联心电图 QTd及 QTcd。