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对４７ 例急性心肌梗塞（ＡＭＩ）患者，使用发病初心电图ＳＴ 段偏移预测最初梗塞（ＭＩ）面积与ＱＲＳ积分法预测最后ＭＩ面积进行对比观察，２４ 例前壁ＡＭＩ患者，平均ＭＩ面积分别为２１．０６±６．２３％ 与１９．９８±５．８７％ ，γ＝ ０．８０（Ｐ＜ ０．０１）；２３ 例下壁ＡＭＩ患者，平均ＭＩ面积分别为 ２０．５４±６．３８％ 与１８．１５±６．８９％ ，γ＝ ０．７６（Ｐ＜ ０．０５）；两种方法预测ＭＩ面积无显著性差异（Ｐ＞ ０．０５），表明两者有良好的相关性与一致性，对判定溶栓疗效有实际应用意义。两种方法预测ＭＩ面积均显示ＡＭＩ部位对应导联有ＳＴ段下移者比无ＳＴ 段下移者ＭＩ面积大（Ｐ＜ ０．０５）。说明有对应导联ＳＴ段下移者比无下移者一般病情较重。
In 47 patients with acute myocardial infarction (AMI), the initial infarction (MI) area was predicted by using the ST segment offset of early onset of disease and the final MI area was predicted by QRS integration. The average MI area in 24 AMI patients was 21.06 ± 6.23% and 19.98 ± 5.87% respectively, γ = 0.80 (P <0.01). The average MI area of 23 patients with inferior wall AMI were 20.54 ± 6.38 % And 18.15 ± 6.89% respectively, and γ = 0.76 (P <0.05). There was no significant difference between the two methods in predicting the area of MI (P> 0.05), indicating a good correlation between the two And consistency, the determination of thrombolytic efficacy of practical significance. The MI area of the two methods showed that there was a large area of MI (P <0.05) in ST segment of lead corresponding to AMI compared with non-ST segment down. Description of the corresponding leads ST segment down than those without down the general condition of the heavier.