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Active Regional Guidelines Standard

International medical criteria & SI Metric protocols standard.

Region:Middle East & North Africa (MENA)
Units:Metric (SI)

P/F Ratio (ARDS)

PaO2/FiO2 ratio for evaluating acute respiratory distress syndrome

P/F Ratio
429mmHg
Normal (≥ 300)

ARDS Classification (Berlin Definition)

Mild ARDS: 200 - 300. Moderate ARDS: 100 - 200. Severe ARDS: < 100. (Assuming PEEP/CPAP ≥ 5 cmH2O)

Mathematical Metric

P/F = PaO2 / (FiO2 as decimal)