A 有呼吸困难,发绀等症状 B
意识障碍伴球结膜水肿 C
SaO<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240806/12859720_0.gif"><90% D
PaO<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240806/12859720_0_1.gif"><80mmHg,PaCO<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240806/12859720_0_2.gif">>50mmHg E
PaO<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240806/12859720_0_3.gif"><60mmHg,伴或不伴有PaCO<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240806/12859720_0_4.gif">>50mmHg