Clinical haematology · UKMLA & AKT
Vitamin K deficiency and warfarin-related coagulopathy
A free high-yield preview for the UKMLA Applied Knowledge Test, covering how to recognise this condition. The full SA Note notes add investigations, management and complications, with practice questions on this topic.
Key high-yield points
- The most tested discriminator - distinguish vitamin K deficiency/warfarin from DIC, haemophilia, and thrombocytopenia by the profile below.
DIC key pattern: low platelets + low fibrinogen + elevated FDPs/D-dimer + prolonged PT and APTT. Normal fibrinogen and platelets exclude isolated vitamin K deficiency from DIC.
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