患者,男,1929年7月生,因“反复咳痰喘20余年,再发2 d”入院。患者于20年前开始常在受凉后反复出现咳嗽,咳白色粘痰,伴气喘,经抗感染、化痰等治疗后症状好转。此后症状反复发作,每年发病持续3个月以上,时有发热。2010年7月17日,患者受凉后再次出现咳嗽,呈阵发性。以清晨明显,咳大量白色粘痰,痰液静置后无分层,端坐位仍有 Patients, male, born in July 1929, because of “repeated cough and sputa more than 20 years, and then send 2 d ” admission. Patients began to often appear in the cold 20 years after the recurrence of cough, cough white phlegm, with asthma, anti-infection, phlegm and other symptoms improved. Symptoms after repeated attacks, the incidence of more than 3 months each year, when fever. July 17, 2010, the patient again after a cold cough, paroxysmal. Early in the morning, a large number of white phlegm cough, sputum after standing without stratification, sitting still