<prompt> the most common pathology of acute renal failure ?DPGNRPGNATNallergic interstitial nephritis  <response>: Acute renal failure ARF - acute kidney injury AK1 is a sudden and usually reversible loss of renal function which develops over days or weeks and is usually accompanied by a reduction in urine volume. - A rasied creatinine level can be due to acute, acute on chronic of chronic kidney disease. Treatment of Acute Renal Failure Treat underl in cause Blood pressure Infections Stop inciting medications Nephrostomy tubesureteral stents if obstruction Treat scleroderma renal crisis with ACE inhibitor Hydration Diuresis Lasix Renal Replacement Therapy : Dialysis Renal Transplant Dopamine: no benefit E Atrial Natriuretic Peptide ANP or ANP-analogue Anaritide: promising ref : harrisons 21st ed 