1 病案分析患者女,52岁。因“反复咳嗽、咳黄绿色痰6年伴有胸闷、气短,加重20 d”入院。患者6年前无明显诱因出现咳嗽、咳痰,痰液黄绿色,伴胸闷、气短。体力活动后胸闷、气短症状加重。6年来患者持续性咳嗽、咳痰,与季节变化无关。患者20 d 前上述症状加重,夜间不能平卧,双下肢出 A case analysis Patient female, 52 years old. Because of “repeated cough, cough yellow-green sputum 6 years accompanied by chest tightness, shortness of breath, increased 20 d ” admission. 6 years ago, no obvious incentive for patients with cough, sputum, sputum yellow-green, with chest tightness, shortness of breath. Physical activity chest tightness, shortness of breath symptoms worse. 6 years of persistent cough, sputum, and the seasonal changes have nothing to do. 20 days before the patient’s symptoms worsened, not supine at night, both lower extremities