Clinical haematology · UKMLA & AKT

Relative polycythaemia

A free high-yield preview for the UKMLA Applied Knowledge Test. Below are the key points to recognise relative polycythaemia — the full SA Note notes add investigations, management, complications and 10 practice questions.

Key high-yield points

  • Relative (apparent/spurious) polycythaemia - raised haematocrit due to reduced plasma volume, NOT increased red cell mass. Bone marrow and erythropoietin are entirely normal.

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Related UKMLA topics

Secondary polycythaemiaIdiopathic thrombocytopenic purpura (ITP)Patient on anti-platelet therapyyeloproliferative disordersNeutropenia and neutropenic sepsisDisseminated intravascular coagulation