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Wells Clinical Prediction Rule for Deep Vein Thrombosis (DVT)
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Clinical feature / Points
|
|
Active cancer (treatment within 6 months, or palliation) (Points: 1 ) |
|
Paralysis, paresis, or immobilization of lower extremity (Points: 1 ) |
|
Bedridden for more than 3 days because of surgery (within 4 weeks) (Points: 1 ) |
|
Localized tenderness along distribution of deep veins (Points: 1 ) |
|
Entire
leg swollen (Points: 1 ) |
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Unilateral calf swelling of greater than 3 cm (below tibial tuberosity) (Points: 2 ) |
|
Unilateral pitting edema (Points: 1 ) |
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Collateral superficial veins (Points: 1 ) |
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Alternative diagnosis as likely as or more likely than DVT (Points:
-2 ) |
|
|
Background
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References:
[1 ] Ramzi DW, Leeper KV. DVT and Pulmonary Embolism: Part I. Diagnosis. Am Fam
Physician. 2004 Jun 15;69(12):2829-2836
[2 ] Ramzi DW, Leeper KV. DVT and pulmonary embolism: Part II. Treatment and
prevention. Am Fam Physician. 2004;69:2841-8
[3 ] Wells PS, Anderson DR, Bormanis J, Guy F, Mitchell M, Gray L, et al. Value
of assessment of pretest probability of deep-vein thrombosis in clinical
management. Lancet 1997;350:1796.
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