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目的探讨急性心肌梗死(AMI)不典型心电图的特点,以提高AMI诊断率。方法选择不典型ECC改变的AMI患者30例,分析其ECG特点。结果经确诊为AMI的30例患者的心肌酶均符合AMI的酶学变化,20例无病理性Q波,有ST抬高,T波直立形成单向曲线;10例仅有非特异性ST-T改变,但心肌酶谱均有明显升高。结论 AMI患者大多数ECG都有典型的图形改变,但有不少患者AMI发生后ECG不出现典型改变,需要临床仔细鉴别。
Objective To investigate the characteristics of atypical electrocardiogram in acute myocardial infarction (AMI) to improve the diagnostic rate of AMI. Methods Thirty patients with AMI who had atypical ECC changes were selected and their ECG characteristics were analyzed. Results The myocardial enzymes of 30 patients diagnosed as AMI were all consistent with the enzymological changes of AMI. There were 20 cases of pathological Q wave without ST elevation and T wave upright forming unidirectional curve. Only 10 cases of nonspecific ST-T Change, but myocardial enzymes were significantly increased. Conclusion Most patients with AMI have typical ECG changes. However, many patients do not have typical ECG changes after AMI, and they need to be carefully identified clinically.