Under what circumstances would you consider doing a furosemide stress test in the workup of AKI?  

Furosemide stress test may be performed early in the course of Stage 1 or 2 AKI to evaluate the likelihood of progression to Stage 3 AKI or the need for renal replacement therapy. A urine output of <200 ml over 2 hours after furosemide administration is predictive of progression to Stage 3 AKI an...