Acute Kidney Injury USMLE Step 1 Practice Question
A 62-year-old man with sepsis from pneumonia receives aggressive IV fluid resuscitation. Despite 5 liters given, his blood pressure remains 88/52 mmHg, urine output is 0.2 mL/kg/hr, and serum creatinine rises from 1.0 to 2.5 mg/dL. Urine sodium is 15 mEq/L and urinary osmolality is 560 mOsm/kg. Which of the following is the most likely diagnosis?
Answer choices
- ASeptic shock-induced glomerulonephritis
- BRhabdomyolysis-induced AKI
- CPrerenal azotemiaCorrect answer
- DAcute interstitial nephritis
- EAcute tubular necrosis
- FHepatorenal syndrome
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