Difference between revisions of "Galen eCalcs - Calculator: Wells Score (DVT Risk)"

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Those with Wells scores of two or more have a 28% chance of having DVT, those with a lower score have 6% odds. Alternatively, Wells scores can be categorized as high if greater than two, moderate if one or two, and low if less than one, with likelihoods of 53%, 17%, and 5% respectively.
 
Those with Wells scores of two or more have a 28% chance of having DVT, those with a lower score have 6% odds. Alternatively, Wells scores can be categorized as high if greater than two, moderate if one or two, and low if less than one, with likelihoods of 53%, 17%, and 5% respectively.
  
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{| class ="wikitable"
 +
! style="background:#d0e5f5" | Wells Score Criteria Description
 +
! style="background:#d0e5f5" | Points
 +
|-valign ="TOP"
 +
|Active Cancer (treatment within last 6 months or palliative) || +1 point
 +
|-
 +
|Calf swelling ≥ 3 cm compared to asymptomatic calf (measured 10 cm below tibial tuberosity) ||  +1 point
 +
|-
 +
|Swollen unilateral superficial veins (non-varicose, in symptomatic leg) ||  +1 point
 +
|-
 +
|Unilateral pitting edema (in symptomatic leg) || +1 point
 +
|-
 +
|Previous documented DVT || +1 point
 +
|-
 +
|Swelling of entire leg ||+1 point
 +
|-
 +
|Localized tenderness along the deep venous system || +1 point
 +
|-
 +
|Paralysis, paresis, or recent cast immobilization of lower extremities ||  +1 point
 +
|-
 +
|Recently bedridden ≥ 3 days, or major surgery requiring regional or general anesthetic in the past 12 weeks || +1 point
 +
|-
 +
|Alternative diagnosis at least as likely || −2 points
 +
|}
  
 
==Calculator Search/Filter Keywords==
 
==Calculator Search/Filter Keywords==
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== Calculator Inputs ==
 
== Calculator Inputs ==
 
This calculator does not use any default mappings, all items require manual input.  
 
This calculator does not use any default mappings, all items require manual input.  
−
 
−
 
−
{| class ="wikitable"
 
−
! style="background:#d0e5f5" | Wells Score Criteria Description
 
−
! style="background:#d0e5f5" | Points
 
−
|-valign ="TOP"
 
−
|Active Cancer (treatment within last 6 months or palliative) || +1 point
 
−
|-
 
−
|Calf swelling ≥ 3 cm compared to asymptomatic calf (measured 10 cm below tibial tuberosity) ||  +1 point
 
−
|-
 
−
|Swollen unilateral superficial veins (non-varicose, in symptomatic leg) ||  +1 point
 
−
|-
 
−
|Unilateral pitting edema (in symptomatic leg) || +1 point
 
−
|-
 
−
|Previous documented DVT || +1 point
 
−
|-
 
−
|Swelling of entire leg ||+1 point
 
−
|-
 
−
|Localized tenderness along the deep venous system || +1 point
 
−
|-
 
−
|Paralysis, paresis, or recent cast immobilization of lower extremities ||  +1 point
 
−
|-
 
−
|Recently bedridden ≥ 3 days, or major surgery requiring regional or general anesthetic in the past 12 weeks || +1 point
 
−
|-
 
−
|Alternative diagnosis at least as likely || −2 points
 
−
|}
 
  
  

Revision as of 03:07, 20 July 2016

Wells Score - Deep Vein Thrombosis Risk.JPG


Description

The Wells Score is designed to assess a patient’s probability of having deep vein thrombosis (DVT).

In those with suspected DVT, a clinical assessment of probability can be useful to determine which tests to perform.

Those with Wells scores of two or more have a 28% chance of having DVT, those with a lower score have 6% odds. Alternatively, Wells scores can be categorized as high if greater than two, moderate if one or two, and low if less than one, with likelihoods of 53%, 17%, and 5% respectively.

Wells Score Criteria Description Points
Active Cancer (treatment within last 6 months or palliative) +1 point
Calf swelling ≥ 3 cm compared to asymptomatic calf (measured 10 cm below tibial tuberosity) +1 point
Swollen unilateral superficial veins (non-varicose, in symptomatic leg) +1 point
Unilateral pitting edema (in symptomatic leg) +1 point
Previous documented DVT +1 point
Swelling of entire leg +1 point
Localized tenderness along the deep venous system +1 point
Paralysis, paresis, or recent cast immobilization of lower extremities +1 point
Recently bedridden ≥ 3 days, or major surgery requiring regional or general anesthetic in the past 12 weeks +1 point
Alternative diagnosis at least as likely −2 points

Calculator Search/Filter Keywords

At the calculator level, eCalcs comes delivered with default keywords that can be leveraged in the "Search/Filter" field to enable Specialty or System driven calculator searching.

Specialties

  • Cardiology
  • Neurology
  • Hematology
  • Critical Care
  • Family Practice
  • Gerontology
  • Oncology
  • Internal Medicine
  • Orthopedics
  • Surgery
  • Vascular

Anatomical Systems

  • Cardiovascular
  • Lymphatic


Calculator Inputs

This calculator does not use any default mappings, all items require manual input.


Calculator Outputs

Output Mapping Type Description
Wells DVT Score Result Score from Wells’ criteria for Deep Vein Thrombosis
DVT Risk Result Risk of Deep Vein Thrombosis based on Wells’ score


References

http://en.wikipedia.org/wiki/Deep_vein_thrombosis#Probability

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