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General Medicine General d543a488

A patient with mild congestive hea failure is treated with high-dose furosemide and diuresis of fluid. A complete blood count (CBC) taken before the diuresis shows an RBC count of 4 million/mm3; a CBC taken after diuresis shows a RBC count of 7 million/mm3. Which of the following is the most likely explanation?

A
Cyanotic hea disease
B
Increased erythropoietin
C
Polycythemia vera
D
Relative polycythemia

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