A 44-year-old women with lupus nephritis diagnosed 20 years earlier comes to the emergency room because of a head injury, without any other symptoms. She is treated with prednisone 10 mg/d and azathioprine 50 mg/d. The urinalysis revealed proteinuria - 0.1 mg/dL, 50-100 white cells and a lot of bacteria in the field of view. Which of the following should be ordered?:
Dział: Interna
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