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To the editor:A 27-year-old young man without coronary risk factors was admitted to the cardiology department for episodes of chest discomfort.The electrocardiogram (ECG) on admission showed the pathologic Q waves in leads I,avL,V1 to V5 and the ST-segment elevation in leads V1-V3 (Figure 1A).The echocardiography revealed hypokinesia of anterior wall motion with normal left ventricular ejection fraction of 58％.He was diagnosed as old anterior and high lateral myocardial infarction.