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Wells DVT Score

Estimate pre-test probability of deep vein thrombosis using the Wells criteria.

Aroha Tane RNVerified

BN (Hons), Registered Nurse, NZNO Member

Registered nurse with 10 years in emergency and critical care across NZ. Specialises in clinical decision support and drug calculation safety.

Active cancer

Paralysis / recent cast

Bedridden >3 days / surgery <12 weeks

Tenderness along deep venous system

Entire leg swollen

Calf swelling >3 cm vs other leg

Pitting oedema (symptomatic leg only)

Collateral superficial veins

Previous DVT

Alternative diagnosis as likely or more

Enter values above to see your result

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