Algorithmic Approach to Acute Interstitial Nephritis When to suspect AIN? (not sensitive) • AKI, AKD, rapidly progressive CKD of unclear etiology; oliguria • Classic triad (<10%): fever, rash, eosinophilia • UA: sterile pyuria, WBC casts, eosinophiluria, microscopic hematuria, mild tubular proteinuria, granular casts/RTE; blend sediment • Received drug associated with AIN Matthew Ho, MD PhD @MatthewHoMD #Acute #Interstitial #Nephritis #AIN #Algorithm #nephrology #diagnosis
