呼吸衰竭是由于呼吸功能严重损害 ,以致不能进行有效气体交换导致缺氧 ,伴或不伴有二氧化碳潴留 ,从而引起一系列病理生理改变。临床观察呼吸衰竭患者大都具有呼吸困难、自汗、紫绀、口干、舌质干红无苔等肺肾气阴极亏、心肺淤滞症状 ,本组在常规治疗基础上辅助生脉饮口服治疗 Respiratory failure is due to severe respiratory damage, so that can not carry out effective gas exchange resulting in hypoxia, with or without carbon dioxide retention, causing a series of pathophysiological changes. Clinical observation Most patients with respiratory failure have dyspnea, spontaneous sweating, cyanosis, dry mouth, dry red tongue and other lung-kidney gas deficiency, cardiopulmonary stagnation symptoms, the group on the basis of routine treatment assisted Shengmai oral treatment