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Compensatory polycythemia

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Definition

noun

A secondary polycythemia characterized by an increased production of red blood cells to compensate for the chronically low oxygen levels, for example as a result of prolonged residence at high altitudes, congenital heart disease, pulmonary emphysema, etc.


Supplement

This form of polycythemia is a normal adaptation that happens in individual with prolonged exposure to anoxic or hypoxic conditions.