1病例介绍患者女性,57岁,以“反复活动后胸闷、心悸2个月”为主诉,于2014年11月3日住院。2月前患者步行百余米或上楼梯(3~4楼)后出现胸闷、心悸,胸骨后疼痛,偶向肩背部放射,全身大汗,腿脚无力,不伴恶心呕吐,每次持续5~10 min休息后或服用硝酸酯类药物可缓解。夜间睡眠可。既往有高血压、2型糖尿病、脑血管病、高脂血症、脂肪肝,无血液病史、药物过敏 1 Case Description A female patient, 57 years old, was admitted to the hospital on November 3, 2014 with the main complaint of “chest tightness and palpitation 2 months after repeated activities”. 2 months before the patient walked a few hundred meters or up the stairs (3 ~ 4 floor) after chest tightness, heart palpitations, sternum pain, shoulder to shoulder radiotherapy, sweaty body, weak legs, nausea and vomiting, each lasting 5 ~ 10 min after taking a rest or taking nitrates can be alleviated. Sleep at night. Previously had hypertension, type 2 diabetes, cerebrovascular disease, hyperlipidemia, fatty liver, history of no blood disease, drug allergy