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呼吸衰竭(Respiratorrfailure)是呼吸功能严重障碍,病人在海平面上呼吸大气压空气时PaO_2低于正常(PaO_2<8kPa和PaCO_2高于正常(PaCO_2>6.67kPa)的状态,并引起一系列病理生理改变的临床综合征(1—3)。近年来由于流量计和气体浓度计的应用已比较普遍,特别是微型电子计算机的问世,给监测呼吸系提供了准确而方便的条件和比较可靠的数据,使急性呼吸衰竭由60年代死亡率的60～80％降到30％以下。任何原因所致的呼吸衰竭,均应立即进行
Respirator rfailure is a severe respiratory dysfunction. PaO2 is lower than normal (PaO 2 <8 kPa and PaCO 2> 6.67 kPa) when the patient breathes atmospheric air at sea level and causes a series of pathophysiological changes Clinical Syndrome (1-3). In recent years, due to the application of flow meters and gas concentration meters has become more common, especially the advent of micro-computer, to provide accurate and convenient monitoring conditions and more reliable respiratory data to enable Acute respiratory failure is reduced to below 30% from 60 to 80% of mortality in the 1960s. Respiratory failure due to any cause should be immediate