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Samples in periodicals archive:
The Rapid Shallow Breathing Index, (RSBI), Maximal Inspiratory Pressure, (MIP) and PaO2/FiO2 ratio remain the most reliable triad of weaning indicators.
Improvement in the PaO2/FiO2, ratio (a measure of the efficiency of lung function) was greater in TLC C-53 patients by day 3 as was the improvement in lung compliance (a measure of lung function) by day 8.
The PaO2/FiO2 index (P/F ratio), quantifies the ratio of arterial oxygen tension to available gen concentration.
Blood Oxygenation Remember that blood oxygenation looks at the efficiency of oxygen uptake in the lungs via the PaO2/FIO2 (P/F) ratio.
ECMO was considered for patients with a PaO2/FiO2 ratio < 85 mmHg and/or respiratory acidosis with a pH < 7.
Blood Oxygenation Remember blood oxygenation looks at the efficiency of oxygen uptake in the lungs via the Oxygenation PaO2/FIO2 (P/F) ratio.
It's not too surprising then that the PaO2/FiO2 ratio often favors HFO--not quite a fair comparison.
I am assuming a reasonable familiarity with blood gasses by the reader and will comment on an essential use of the blood gas for assessing mechanically ventilated patients, The PaO2/FiO2 index or, (P/F ratio).