呼吸衰竭的概念在静息状态下,任何原因引起的PaCO_2高于50mmHg或PaO_2低于60mmHg即称为呼吸衰竭(呼衰)。呼吸机的应用 1.应用范围与指征:除限制性通气功能障碍如气胸、大量胸腔积液、巨大肺大泡外,凡严重呼衰病人均可应用呼吸机。如急性感染性多发性神经根炎、药物或毒物中毒、慢性肺心病伴有昏迷、呼吸频率减少至正常的一半、极浅的呼吸、全肺范围的 The concept of respiratory failure at rest, any cause PaCO_2 higher than 50mmHg or PaO_2 lower than 60mmHg is called respiratory failure (respiratory failure). Ventilator application 1. Scope of application and indications: In addition to restrictive ventilatory dysfunction such as pneumothorax, pleural effusion, huge bullae, where severe respiratory failure patients can be used ventilator. Such as acute infectious polyneuritis, poisoning of drugs or poisons, coma of chronic pulmonary heart disease, reduction of respiratory frequency to half of normal, very shallow breathing, full lung range