TOPICS: Prerenal azotemia, postrenal azotemia, intrinsic azotemia, nsaids, acute tubular necrosis, acute interstitial nephritis, serum BUN/creatinine ratio, FENa, urine osmolality, proximal tubule, medullary segment of thick ascending limb, nephrotoxic, aminoglycosides, myoglobinuria, heavy metals, ethylene glycol, radiocontrast dye, urate, GFR, oliguria, brown granular casts, inciting event, maintenance, recovery, nsaids, penicillin, diuretics, proton pump inhibitors, rifampin, quinolones, sulfonamide, mycoplasma, sjogren syndrome, sle, sarcoidosis, renal papillary necrosis, diabetes mellitus, chronic analgesic abuse, sickle cell disease, severe acute pyelonephritis
