This version was machine-translated from German and has not been medically reviewed. The authoritative version is the German version.
Alveolar-arterial O₂ gradient
PAO₂ − PaO₂ from FiO₂, barometric pressure, PaCO₂ and PaO₂ – with age-dependent expected value
Calculation aid for healthcare professionals: the calculator reproduces what the sources cited assign to the inputs. Clinical assessment and every treatment decision remain with the treating physician. Inputs and results are not stored.