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Calculator: DVT probability in adults: Wells score system


Calculator: DVT probability in adults: Wells score system

 
Clinical findings

Paralysis, paresis, or recent orthopedic casting of lower extremity (1 point)

Recently bedridden (more than 3 days) or major surgery within past 4 weeks (1 point)

Localized tenderness in deep vein system (1 point)

Swelling of entire leg (1 point)

Calf swelling 3 cm greater than other leg (measured 10 cm below the tibial tuberosity) (1 point)

Pitting edema greater in the symptomatic leg (1 point)

Collateral non-varicose superficial veins (1 point)

Active cancer or cancer treated within 6 months (1 point)

Alternative diagnosis more likely than DVT (popliteal [Baker's] cyst, cellulitis, muscle damage, superficial venous thrombosis, postthrombotic [postphlebitic] syndrome, inguinal lymphadenopathy, external venous compression) (-2 points)

 
Important: Inputs must be complete to perform calculation.

 
Total criteria point count:
 

 

DVT risk score interpretation

 
3 to 8 points: High probability of DVT
1 to 2 points: Moderate probability
-2 to 0 points: Low probability

 
Notes
  • DVT: deep vein thrombosis.

 
Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

Information on this page may not appear correctly if printed.

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