高原反应比较严重的旅客也可以使用吸氧面罩。
Passengers who have severe altitude illness should ask for an oxygen mask.
目的：证明氧气雾化吸入器面罩吸氧的有效性，以便更好的向病人进行宣教，提高其利用效能。
Objective: to prove oxygen mask oxygen inhalation device effectiveness in order to better educate patients, and improve the effectiveness of its use.
面罩吸氧后脑血流速度又恢复至手术前状态。
After mask oxygen inhalation, the blood flow velocity returned to preoperative level.
应用推荐