急性呼吸窘迫综合征(ARDS)历来被认为系“基于多种原因,肺部广泛出血和水肿所致的重度呼吸功能不全”,而现在则认为是“基于多种原因的肺部广泛炎症反应所致的急性呼吸功能不全”一、ARDS 的临床表现:呼吸困难:自觉的及不自觉的。呼吸急促:呼吸次数和换气量增加,呼吸形式的异常。紫绀:动脉血含氧量的降低。以上是呼吸系统的主要症状。此外,可有血压异常、脉率增速和心律失常。血压往往增高,是因低氧致交感神经兴奋的表现。相反,有的患者因交感神经反应迟钝,心脏因低氧致功能降低,末梢血管首先扩 Acute respiratory distress syndrome (ARDS) has traditionally been described as “severe respiratory insufficiency due to extensive lung bleeding and edema for a variety of reasons,” and is now considered to be “a wide range of pulmonary inflammatory responses Induced acute respiratory insufficiency ”First, the clinical manifestations of ARDS: dyspnea: conscious and unconscious. Shortness of breath: The number of breaths and ventilatory volume increase, abnormal breathing patterns. Cyanosis: arterial blood oxygen reduction. These are the main symptoms of the respiratory system. In addition, there may be abnormal blood pressure, pulse rate and arrhythmia. Blood pressure is often increased, due to hypoxia caused by the performance of sympathetic excitement. On the contrary, some patients due to the slow response to sympathetic, hypoglycemic heart caused by decreased function, peripheral blood vessels first spread