1案例报告患者,男性,39岁,因劳累后呼吸困难2d入院。患者两天前因活动后出现胸闷气促,无胸痛、心悸,无黑朦,无咳嗽、咳痰。门诊肾功能、尿常规、甲状腺功能检查均正常,为求进一步诊治,门诊以“呼吸困难原因待查”收入院。患者起病以来,神志清,精神软,食欲不振,睡眠一般,大小便 1 case report Patients, male, 39 years old, admitted to hospital after 2 years of dyspnea after exertion. Patients with chest tightness and shortness of breath after the activity two days ago, no chest pain, palpitations, no dark, no cough, sputum. Outpatient renal function, urinalysis, thyroid function tests were normal, for further diagnosis and treatment, out-patient to “cause of dyspnea to be investigated” income hospital. Since the onset of patients, conscious, soft spirit, loss of appetite, sleep in general, urine