1病历资料例1.女,49岁。主因双下肢水肿7个月,加重伴有劳力性气短5个月入院。既往慢性喘息性支气管炎20年,吸烟十余年(30支/d)。7个月前患者偶然发现右下肢小腿轻度凹陷性水肿,2个月后水肿进行性加重,从脚面、小腿、大腿一直延伸到腹壁,患者爬楼梯时感双下肢沉重,伴有气 1 medical records 1. Female, 49 years old. Mainly due to lower extremity edema for 7 months, aggravated with labor shortness of breath 5 months admitted to hospital. Past chronic asthmatic bronchitis 20 years, smoking more than ten years (30 / d). 7 months ago, the patient accidentally found that the lower right leg lower pitting edema mild swelling after 2 months progressive increase from the foot, calf, thighs has been extended to the abdominal wall, the patient feeling heavy legs when climbing the stairs, accompanied by gas