本文总结34例年龄(?)55岁心肌梗塞(MI)患者踏车运动试验(ET)结果及其随访资料,以探讨其应用价值。对象与方法 34例经心电图和心肌酶谱系列改变确诊的患者,男27例,女7例,平均年龄64±6.1(55～74)岁。其中MI后4周内受试者12例(AMI组),余22例为陈旧性MI(OMI组)。用国产EGM-Ⅱ型自行车功量计和光电6511型心电图机,按起始25瓦/分,每3分钟增加25瓦,直到运动终点的方案 This article summarizes 34 cases of age 55 patients with myocardial infarction (MI) treadmill exercise test (ET) results and follow-up data to explore its value. Subjects and Methods Twenty-four patients (27 males and 7 females, mean age 64 ± 6.1 years (55-74) years old) were diagnosed by electrocardiogram and myocardial enzyme series. Of these, 12 subjects (AMI group) within 4 weeks after MI, and the remaining 22 patients were old MI (OMI group). With domestic EGM-Ⅱ type bicycle power meter and photoelectric 6511-type ECG machine, according to the initial 25 W / min, 25 W every 3 minutes, until the end of the program