在无症状的健康人中,常规心电图发现类似心肌缺血的T波和ST段异常,提出了一个难以处理的医学和社会经济问题。正常人的ST-T异常与多种原因有关,包括情绪、神经性循环衰弱、心脏高动力综合征、体位及过度通气。本文报告对连续20例无症状男性的ST-T异常的观察结果,除1例伴有50％左前降支病变外,其余冠状动脉造影均正常。方法:20例无症状男性,年龄18～55(平均34)岁。除4例有轻度高血压外,体检均正常。按Doan方法作多级极量踏车运动试验,以受检者所能耐受限度为运动终点。第一次试验前不给药,第二次试验前1(1/2)小时服心得平80毫克。卧床休息5分 Among asymptomatic healthy people, conventional electrocardiograms find similar T-wave and ST-segment abnormalities of myocardial ischemia, posing an unmanageable medical and socioeconomic problem. Normal ST-T abnormalities and a variety of reasons, including emotional, nervous cycle weakness, cardiac motility syndrome, body position and hyperventilation. This article reports the findings of ST-T abnormalities in 20 consecutive asymptomatic males, with the exception of 1 patient with 50% left anterior descending coronary artery disease. All other coronary angiography was normal. Methods: Twenty asymptomatic men aged 18-55 years (mean 34 years). In addition to 4 cases of mild hypertension, the physical examination were normal. According Doan method for multi-level treadmill treadmill exercise test to the subjects can tolerate the limit for the end of the campaign. The first test is not given before the second test 1 (1/2) hours of service 80 mg flat heart. Bed rest 5 minutes