This version was machine-translated from German and has not been medically reviewed. The authoritative version is the German version.
FENa – fractional sodium excretion
Prerenal (< 1 %) or intrinsic (≥ 3 %)? From sodium and creatinine in urine and serum
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.