<prompt> All of the following are Causes of ATN except -RadiocontrastsPlacenta preAmphotericin BAbruptio placentae  <response>: Ref:Harrison 20th edition pg no. 2101,2099. Causes of intrinsic renal failure ATN SMALL VESSELS Glomerulonephritis, vasculitis TTPHUS,DIC malignant HTN, sepsis Calcineurin inhibitors Atheroemboli Tubules Toxic ATN-endogenousrhabdomylolysis,hemolysis-exogenous contrast ,cisplatin, gentamicin Ischemic ATN sepsis intratubular Endogenous myeloma proteins, uric acid, cellular debris exogenous -acyclovir, methotrexate large vessels Renal aery embolus, dissection, vasculitis, renal vein thrombosis, abdominal compament syndrome Interstitium allergic ppi s, NSAIDS, rifampicin. .. Infectionsevere pyelonephritis, legionella, sepsis Infiltration leukemia ,lymphoma Inflammatorysjogrens,tubulointerstitial nephritis. In abruptio placenta, DIC is seen. Ref Harrison20th edition pg 234 