引起肺病患者排痰不畅的因素主要有两个方面:一是排痰能力降低,多见于年老体弱、营养不良患者,由于呼吸肌萎缩、乏力、易疲劳,而致排痰能力下降。二是痰液黏稠不易咳出,与长期缺氧时的气急、气促致使呼吸道水分过多丢失有关,痰液变得浓稠而难以咳出。由此可见,慢性肺病患者要重 Pulmonary disease caused by poor sputum factors mainly in two aspects: First, reduce sputum capacity, more common in frail elderly, malnourished patients, due to respiratory muscle atrophy, fatigue, fatigue, and sputum descending ability. Second, sputum viscosity is not easy to cough up, and long-term hypoxia when the shortness of breath, shortness of breath caused by excessive loss of water in the respiratory tract, sputum becomes thick and difficult to cough. This shows that patients with chronic lung disease should be heavy