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M Velia Antonini on X: "PaO2/FiO2 ratio most commonly used in clinical practice to assess oxygenation. Many severity scores relate w P/F as P/F relates to anatomical shunt. But P/F depends on
![Table 1 from Comparison of the Spo2/Fio2 Ratio and the Pao2/Fio2 Ratio in Patients With Acute Lung Injury or Acute Respiratory Distress Syndrome | Semantic Scholar Table 1 from Comparison of the Spo2/Fio2 Ratio and the Pao2/Fio2 Ratio in Patients With Acute Lung Injury or Acute Respiratory Distress Syndrome | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/2c2a0b63aa1c34819fa07b449a6a07bb5052dd8f/3-Table1-1.png)
Table 1 from Comparison of the Spo2/Fio2 Ratio and the Pao2/Fio2 Ratio in Patients With Acute Lung Injury or Acute Respiratory Distress Syndrome | Semantic Scholar
![P/FP ratio: incorporation of PEEP into the PaO2/FiO2 ratio for prognostication and classification of acute respiratory distress syndrome | Annals of Intensive Care | Full Text P/FP ratio: incorporation of PEEP into the PaO2/FiO2 ratio for prognostication and classification of acute respiratory distress syndrome | Annals of Intensive Care | Full Text](https://media.springernature.com/m685/springer-static/image/art%3A10.1186%2Fs13613-021-00908-3/MediaObjects/13613_2021_908_Fig1_HTML.png)
P/FP ratio: incorporation of PEEP into the PaO2/FiO2 ratio for prognostication and classification of acute respiratory distress syndrome | Annals of Intensive Care | Full Text
Rationale and limitations of the SpO2/FiO2 as a possible substitute for PaO2 /FiO2 in different preclinical and clinical scenario
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