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Prerenal Oliguria: Diff Dx

Vol. Depletion
3rd Spacing
Hepatorenal Syn.
Renal Artery Stenosis
Renal Artery Emboli
- Pre-renal azotemia arises from inadequate perfusion of the kidneys;
- this must be considered in the patient with hemorrhage, an antecedent
h/o CHF, a rapid diuresis induced by diuretic, third spacing
(ascities, pleural effusions)

Original Text by Clifford R. Wheeless, III, MD.