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本文对１７例接受尿激酶（溶栓组）、２５例接受极化液（非溶栓组）治疗的急性心肌梗塞患者运用心电定量心肌梗塞面积。用药前采用ＳＴ段运算法预计梗塞面积，住院７２ｈ后用ＱＲＳ积分法计算实际梗塞面积，二者之差为梗塞缩小面积，并以此计算梗塞心肌存活率，大于－２０％者为再灌注。结果显示溶栓组平均心肌梗塞面积缩小６．７％，梗塞区心肌存活率－２９．２％，早期溶栓（＜３ｈ）４例（４／５）符合心肌再灌注标准；晚期溶栓（３～８ｈ）６例（６／１２）符合再灌注标准。而非溶栓组无一例符合再灌注标准。故认为溶栓治疗是急性心肌梗塞的首选方法。
In this paper, 17 patients with acute myocardial infarction who received urokinase (thrombolysis group) and 25 patients who underwent polarization (non-thrombolysis group) were enrolled in this study. ST segment operation was used to predict the infarct area before treatment. The actual infarct area was calculated by QRS integration method 72 hours after hospitalization. The difference between the two areas was infarction reduction area, and the infarction myocardial survival rate was calculated. The results showed that the average myocardial infarct size was reduced by 6.7% in the thrombolytic group, the myocardial viability in the infarcted area was -29.2%, and the rate of myocardial reperfusion in 4 cases (4/5) of early thrombolysis (<3 h) 3 ~ 8h) 6 cases (6/12) meet the reperfusion standard. None of the non-thrombolytic group met the standard of reperfusion. Therefore, thrombolytic therapy is the preferred method of acute myocardial infarction.