A 62-year-old diabetic man underwent an abdominal aortic aneurysm repair 2 days ago. He is being treated with gentamicin for a urinary tract infection. His urine output has fallen to 300 mL over 24 hours, and his serum creatinine has risen from 1.1 mg/dL on admission to 1.9 mg/dL.

*This case is from Docplexus editorial team for educative purpose only Source: Case Files - Internal Medicine, 3rd ed. 2009