Diagnostic Approach
- Thorough history and physical examination are important in identifying the cause of oliguria or anuria.
- Comprehensive physical examination is key to assessing severity of the disease process and possible cause.
- In prerenal and postrenal ARF, early diagnosis and prompt treatment often result in quick recovery.
- Detailed history of recent or ongoing long-term medication use is important for excluding possible interstitial nephritis.
- In neonates, history of umbilical artery catheterization implies renal artery thrombosis.
- Family history is helpful in diagnosing such conditions as diabetes insipidus and polycystic kidney disease.
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