Meanings
nounSpO₂/FiO₂ ratio (plural SpO2/FiO2 ratios)
plural SpO2/FiO2 ratios
- A proxy measurement for the assessment of lung function using the PaO2/FiO2 ratio.
Origin
Cite this entry
APA
SpO2/FiO2 ratio. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/SpO2%2FFiO2%20ratio
MLA
“SpO2/FiO2 ratio.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/SpO2%2FFiO2%20ratio. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “SpO2/FiO2 ratio,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/SpO2%2FFiO2%20ratio.
Source: SpO2/FiO2 ratio on Wiktionary, CC BY-SA 4.0.