肺源性心脏病（肺心病）急性发作期心肺功能失代偿，尤其是发生急性呼吸系感染时，肺通气和换气功能障碍进一步加剧，引起缺氧和二氧化碳潴留，并导致呼吸和循环衰竭，易出现一系列并发症，如肺性脑病、上消化道出血、休克、弥散性血管内凝血（ＤＩＣ）等，极易导致死亡。... Pulmonary heart disease (pulmonary heart disease) acute exacerbation of cardiopulmonary decompensation, especially in the case of acute respiratory infection, pulmonary ventilation and ventilation dysfunction further exacerbated, causing hypoxia and carbon dioxide retention, and lead to respiratory and circulatory failure , Prone to a series of complications, such as pulmonary encephalopathy, upper gastrointestinal bleeding, shock, disseminated intravascular coagulation (DIC), easily lead to death. ...