氧疗指各类缺氧的治疗，除了消除引起缺氧的原因外，均可给予吸氧治疗。那么具体什么情况下需要氧疗？氧疗的基本原则是什么？一起来看看吧~ 氧疗的基本原则 低氧血症的主要特点为PaO2下降，SaO2降低，组织供氧不足。肺泡气氧分压（PAO2）是肺泡气氧输送量 ...

Cyanosis in the newborn can be due to methemoglobinemia, an intra-erythrocytic hemoglobin abnormality. Methemoglobinemia is the presence of a higher than normal level of methemoglobin (MetHb) ferric ...