Infectious Diseases

Wells Score for DVT

Pre-test probability assessment for deep vein thrombosis guiding D-dimer and imaging decisions

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Input Parameters

Active cancer (treatment within 6 months or palliative)

Paralysis, paresis, or recent plaster immobilisation of lower extremity

Recently bedridden >3 days or major surgery within 12 weeks

Localised tenderness along deep venous system

Entire leg swollen

Calf swelling >3 cm compared with asymptomatic leg (measured 10 cm below tibial tuberosity)

Pitting oedema (confined to symptomatic leg)

Collateral superficial veins (non-varicose)

Previously documented DVT

Alternative diagnosis at least as likely as DVT

Clinical Note (Optional)

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