Hypoprothrombinaemia Health Dictionary

A de?ciency of PROTHROMBIN (clotting factor) in the blood. As a result the affected individual tends to bleed more easily. The defect may be inherited or be the consequence of liver disease or a de?ciency in vitamin K.

Anticoagulant therapy will also cause a fall in prothrombin levels.

n. a deficiency of the clotting factor *prothrombin in the blood, which results in an increased tendency to bleed. It may occur as an inherited defect or as the result of liver disease, vitamin K deficiency, or anticoagulant treatment.