呼吸窘迫综合证(RDS)是多种病因诱发的,以急性进行性吸气性低血氧性呼吸窘迫为主要特征的综合证。其早期无明显肺部体征及x线异常,中晚期之发绀,用一般吸氧方法不易缓解。临床诊断时,需有创伤、休克、脓毒血症、DIC等病因,且须除外心肺疾患所导致的呼吸困难。其具体诊断及分期标准规定如下: Respiratory distress syndrome (RDS) is a syndrome that is evoked by a variety of causes and is characterized by acute progressive aspirated hypoxemic respiratory distress. The early no obvious signs of lung and x-ray abnormalities, cyanosis in the late, with the general method of oxygen is not easy to alleviate. Clinical diagnosis, there must be trauma, shock, sepsis, DIC and other causes, and to be excluded except for heart and lung disease caused by breathing difficulties. The specific diagnosis and staging criteria are as follows: