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心肌梗塞心电图按时间顺序可分为早期超急性损伤期,急性充分发展期及慢性稳定期。早期超急性损伤期持续时间短暂,此期向充分发展期演变过程中,偶可出现异常心电图伪性正常化现象。 患者,男,60岁。心前区疼痛36小时、加重5小时于1987年7月14日入院。查白细胞,ESR,GOT及LDH均增高。ECG:①7月14日18时40分:R_(Ⅱ,Ⅲ,aVF)振幅较高,VAT0.05秒,ST_(Ⅱ,Ⅲ,aVF)倾斜型升高,T波宽大,为早期超急性损伤期下壁心肌梗塞,如图1。
Myocardial infarction ECG in time sequence can be divided into early hyperacute injury, acute full development and chronic stable period. The duration of early hyperacute injury is short, and during this period of full development, the normalization of abnormal electrocardiogram can occur even occasionally. Patient, male, 60 years old. Prehospital pain 36 hours, increased 5 hours in July 14, 1987 admitted. Check white blood cells, ESR, GOT and LDH were increased. ECG: At 18:40 on July 14, the amplitudes of R_ (Ⅱ, Ⅲ, aVF) were higher, and the VATs of 0.05 seconds and ST_ (Ⅱ, Ⅲ, aVF) Lower wall myocardial infarction, shown in Figure 1.