病历摘要患者女 ,36岁 ,因活动后气短 5 0d伴晕厥 4次于 2 0 0 1年 10月 2 6日入院。患者于 2 0 0 1年 9月初无明显诱因突然在农田干活时晕厥 ,当时意识丧失、二便失禁 ,持续 10min后苏醒 ,于当地医院就诊 ,未发现异常。此后反复出现活动后胸闷、气短、呼吸困难 ,间断晕厥 3次 Female patient, 36 years old, was admitted to the hospital on October 26, 2001 due to a shortness of breath of 50 days with an episode of syncope. At the beginning of September 2001, the patient had no obvious cause of sudden onset of syncope when working in the farmland. At that time, his consciousness was lost and he was incontinent. After 10 minutes of wakefulness, he was seen at a local hospital and no abnormalities were found. After repeated activities after chest tightness, shortness of breath, difficulty breathing, intermittent syncope 3 times