Medicine – MCQ 148 – Causes of relative polycythemia

All of the following are the causes of relative polycythemia except:
A. Dehydration
B. Dengue haemorrhagic fever
C. Gaisbock syndrome
D. High altitude

Correct answer : D. High altitude

People living at high altitudes have absolute polycythemia due to increased erythropoietin synthesis.

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