Pulmonology

Approximate PaO2 to SaO2 Conversion

Approximate PAO2 = FiO2 x 500 mm Hg

Approximate FiO2 via nasal cannula = Liters/min X 4 + 20% (e.g., 2 LPM = 28%)

P/F Ratio Approximation

Acute Pulmonary Edema Pathophysiology

West Zones