1　病例报告　　患者 ,男性 ,68岁 ,因发热、咳喘 2天入院。患者 2天前无诱因出现发热 ,体温高达 40 0℃ ,伴咳嗽、喘憋 ,无胸痛 ,无咯血 ,无晕厥 ,口服退热药及头孢菌素后 ,体温正常 ,仍阵发性干咳 ,喘憋明显 ,遂收住院。既往高血压病史 2 0年 ,无哮喘病史及过敏史。入院查体 A case report patients, male, 68 years old, due to fever, cough and 2 days admission. 2 days before the onset of fever, fever, body temperature up to 40 0 ​​C, with cough, wheezing, no chest pain, no hemoptysis, no syncope, oral antipyretics and cephalosporins, the body temperature is normal, still paroxysmal dry cough, asthma Bie obvious, then admitted to hospital. Past history of hypertension 20 years, no history of asthma and allergies. Admission examination