呼吸衰竭是由多种疾病引起的通气和/或换气功能障碍导致的缺O_2或伴有CO_2潴留而产生系列病理生理改变的综合征。由于病因较多,病情严重,对于呼吸衰竭的判断是否正确,治疗是否及时,措施是否得当,直接影响病人的生命,所以建立呼吸衰竭治疗的临床思维程序,保证及时准确地治疗颇有必要。依次 Respiratory failure is caused by a variety of diseases caused by ventilation and / or ventilatory dysfunction caused by lack of O2 or with CO2 retention resulting in a series of pathophysiological changes in the syndrome. As the cause of more serious illness for the diagnosis of respiratory failure is correct, timely treatment, the measures are appropriate, a direct impact on patient’s life, so the establishment of clinical treatment of respiratory failure procedures to ensure that timely and accurate treatment is quite necessary. Follow