1临床资料患者女性,69岁,活动后胸闷胸痛3年,加重3d,于2005年饱餐后快步行走或上2层楼出现胸闷胸痛,持续10min左右,休息或含服硝酸甘油缓解。3d前上述症状加重,轻微活动就能诱发,伴有恶心和出汗,硝酸甘油不能缓解,经急诊处理后入院。无高血压病、糖尿病史,无吸烟饮酒史。查体体 1 clinical data of female patients, 69 years old, chest tightness after activity chest pain for 3 years, aggravating 3d, walked fast in 2005 or walked chest on 2 floors chest pain, sustained 10min, rest or sublingual nitroglycerin to ease. 3d before the above symptoms, mild activity can be induced, accompanied by nausea and sweating, nitroglycerin can not be relieved, after emergency treatment and admission. No hypertension, no history of diabetes and no history of smoking. Check the body