1病历资料患者男,78岁。因咳嗽、咳痰、气喘加重1月余于2008-05-06入院。患者近1个月来因气候变化出现咳嗽,咳黄白色黏稠脓痰,量约50～100mL/d,不易咳出,无发热,活动后气喘加重,喉中有喘鸣,伴夜间阵发性呼吸困难,无胸闷、胸痛、心悸、咯血、双下肢水肿等症状。曾在社区医院就 1 medical records patient male, 78 years old. Due to cough, sputum, increased asthma more than 1 month in 2008-05-06 admission. Patients with cough due to climate change in the past month, cough yellow and white viscous purulent sputum, the amount of about 50 ~ 100mL / d, not easy to cough, no fever, wheezing increased activity, throat wheezing, accompanied by nocturnal paroxysmal Breathing difficulties, no chest tightness, chest pain, heart palpitations, hemoptysis, edema and other symptoms of both lower extremities. Once in the community hospital