]> 2026-07-31T16:29:07+00:00 WBR0404 0 en Acute interstitial nephritis Bilateral renal cortical necrosis Diffuse bilateral renal cortical necrosis is also a type of intrinsic renal injury that would not typically manifest with the lab values shown in the table. Diffuse bilateral renal cortical necrosis is usually an obstetric complication, but it may also occur following trauma or sepsis. Renal stone complicated with hydronephrosis Renal stone with hydronephrosis is a type of post-renal acute kidney injury that would typically manifest with elevated urinary sodium > 40 mEq/L. Urinary tract infection complicated by acute pyelonephritis The hallmark of pyelonephritis is WBC casts, which are absent in this patient. Accordingly, the diagnosis of acute pyelonephritis in this patient is less likely. In addition, acute pyelonephritis does not typically manifest with an elevated BUN/Creatinine ratio. Severe hypotension Pathophysiology E Renal 2020-10-28T00:27:34Z 2459150.5191435 WBR0404