| VO2, | Vo2 volume of oxygen utilization |
|---|---|
| FIO2 | forced inspiratory oxygen; fractional concentration of oxygen in inspired gas |
| HO | hand orthosis; heterotopic ossification; high oxygen; hip orthosis; history of; Holt-Oram [syndrome]... |
| O2 | both eyes; diatomic oxygen; molecular oxygen |
| PaO2 | partial oxygen tension in arterial blood; partial pressure of oxygen in arterial blood |