Thrombosis, Venous

Alternate Name:

Test:

Venography (AB), radioactive fibrinogen uptaketest (+), ultrasound (AB), fibrin degradation prod­ucts (H), serial dilution protamine sulfate test (+), S.antithrombin III (N or L), P.plasminogen (N or H), S.protein C (N or L), S.protein S (N or L), S.lupus anticoagulant (+ or -), impedance pleth­ysmography (AB), Doppler flow studie(AB)

Sign:

Pitting oedema, Homan's sign

Dd:

Muscular strain or trauma, cellulitis, lymphatic ob-struction, cardiac oedema, cirrhotic. .oedema, Baker's (popliteal) cyst

Phys:

Causes include immobilisation, post-operative, pregnancy, oestrogen supplementation (e.g. con­traceptive pill), cardiac failure, renal failure, carci­noma, myeloproliferative disorders and phospho­lipid antibody syndrome. Pulmonary embolism is a possible dangerous complication