Haemophilia A

Alternate Name: Factor V111 Deficit

Test:

S.factor VIII (L), specific PCR (+), prothrombintime (NI), bleeding time (N), clotting time (H or N), prothrombin consumption test (AB), tissue DNA probe (+), partial thromboplastin time (H), platelet count (NI)

Sign:

Dd:

Other hereditary coagulation disorders,von Willebrand's disease, vit. K deficit, anticoagulant or aspirin therapy, spare, malnutrition, hepatic failure, leukaemia,

Phys:

Inherited X-linked recessive trait resulting in labk of factor VIII in the intrinsic blood clotting pathway