Method: On the basis of treatment of oxygen inhalation, liquid infusion and rectifying the imbalance of acid and base, ultrasonic spray inhalation with dexamethasone and furosemide was adopted.

• 方法:在吸氧、补液、抗感染、纠正酸碱平衡紊乱等治疗的基础上,采用地塞米松和速尿超声雾化吸入。