Fraction of Inspired Oxygen (FiO2) For all supplemental oxygen delivery devices, the patient is not just breathing the direct ox
![Simultaneous reduction of flow and fraction of inspired oxygen (FiO2) versus reduction of flow first or FiO2 first in patients ready to be weaned from high-flow nasal cannula oxygen therapy: study protocol Simultaneous reduction of flow and fraction of inspired oxygen (FiO2) versus reduction of flow first or FiO2 first in patients ready to be weaned from high-flow nasal cannula oxygen therapy: study protocol](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs13063-019-4019-7/MediaObjects/13063_2019_4019_Fig1_HTML.png)
Simultaneous reduction of flow and fraction of inspired oxygen (FiO2) versus reduction of flow first or FiO2 first in patients ready to be weaned from high-flow nasal cannula oxygen therapy: study protocol
![Corrected FiO2 (cFiO2) formula. The cFiO2 value is used as a point on... | Download Scientific Diagram Corrected FiO2 (cFiO2) formula. The cFiO2 value is used as a point on... | Download Scientific Diagram](https://www.researchgate.net/profile/Carole-Hamilton/publication/307893234/figure/tbl2/AS:722114743136257@1549176979100/46_Q320.jpg)
Corrected FiO2 (cFiO2) formula. The cFiO2 value is used as a point on... | Download Scientific Diagram
![The utility of high-flow nasal oxygen for severe COVID-19 pneumonia in a resource-constrained setting: A multi-centre prospective observational study - eClinicalMedicine The utility of high-flow nasal oxygen for severe COVID-19 pneumonia in a resource-constrained setting: A multi-centre prospective observational study - eClinicalMedicine](https://www.thelancet.com/cms/attachment/a70c2875-960f-40f7-b390-5eefdec707d6/gr1.jpg)
The utility of high-flow nasal oxygen for severe COVID-19 pneumonia in a resource-constrained setting: A multi-centre prospective observational study - eClinicalMedicine
![Table 1 from Can pulse oximetric saturation (SpO2)/fraction of inspired oxygen (FiO2) ratio surrogate PaO2/ FiO2 ratio in diagnosing acute respiratory failure? | Semantic Scholar Table 1 from Can pulse oximetric saturation (SpO2)/fraction of inspired oxygen (FiO2) ratio surrogate PaO2/ FiO2 ratio in diagnosing acute respiratory failure? | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/381f31c008f6ab2f6d8d5bd029975e92e2294c62/3-Table1-1.png)