患者,女,42岁,于3个月前感冒后出现活动时胸闷气短症状,全身乏力,当时无明显胸痛,无大汗、恶心、呕吐等,休息约10 min可缓解。此后上述症状间断发作,且呈进行性加重,轻微活动即可诱发。入院前10 d,于走路途中发生晕厥,伴小便失禁,无四肢抽搐,持续0.5 min自行恢复意识。曾于当地 The patient, female, 42 years old, had symptoms of chest tightness and shortness of breath after her onset of influenza 3 months earlier. She had no symptoms of chest pain, no sweating, nausea and vomiting, and she could rest for about 10 minutes. Since then the above symptoms intermittent seizures, and was progressive increase, mild activity can be induced. 10 d before admission, syncope occurred on the way, accompanied by urinary incontinence, no limbs and convulsions, 0.5 min self-recovery consciousness. Once on the ground