A 72-Year-Old Woman with Poorly Controlled Type 2 Diabetes Mellitus

A 72-year-old woman with poorly controlled type 2 diabetes mellitus presents to your clinic one week after being discharged from the hospital.  She had been admitted with pyelonephritis secondary to a multi-drug resistant organism, and received several days of intravenous antibiotics.  Her serum creatinine on admission had been 2.1mg/dL.  Today it is found to be 4.9 mg/dL.  Urinalysis reveals rare epithelial casts and no white blood cells.  FE_Na is greater than 2%.  What antibiotic did she most likely receive during her hospitalization?

A) Nafcillin
B) Vancomycin
C) Levofloxacin
D) Amikacin
E) Doxycycline
F) Azithromycin

Correct Answer:

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