- HistoryHx
- ExaminationO/E
- InvestigationsIx
- Drug GuideRx
- Full List
- Anthropometry
- Cardiovascular
- Respiratory
- Gastrointestinal
- Neurological
- Biochemistry
- Haematology
- Critical Care
- Trauma
- Obstetrics
PaO₂ : FiO₂ Ratio
The PaO₂ : FiO₂ ratio is a simple indicator of oxygenation given the patient's fraction of inspired oxygen. The ratio is normal if >400.Calculate