A 缺氧症状明显改善 B
PaO<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240405/11555525_0_1.gif">、PaCO<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240405/11555525_0_2.gif">有效纠正 C
pH维持在7.35~7.45之间 D
氧中毒 E
呼吸道分泌物明显增多