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53.

Which of the following should be administered to a patient with eGFR 40 mL/min/1.73 m prior to performing chest computed tomography with the use of contrast agents?

A. Furosemide 120 mg iv.
B. Low-molecular-weight heparin - 40mg sc.
C. Unfractionated heparin - 5000 units iv.
D. 0.9% saline iv.
E. Ramipril 10mg orally

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