Articles in "diuretics"

Accuracy of Urine Electrolytes to Assess Etiology of Acute kidney injury

by Joseph Esherick, M.D., FAAFP, FHM

Both the fractional excretion of sodium (FENa) and the fractional excretion of urea (FEUrea) have an established role as part of the work-up for determining if acute kidney injury (AKI) is due to a prerenal or intrarenal cause. Although both the FENa and FEUrea are helpful, they both have their limitations.