Wells Score for DVT
Deep vein thrombosis clinical probability.
Clinical Criteria
Wells DVT Score
0
DVT Probability: 5%
Low Probability
D-dimer. If negative, DVT ruled out.
Diagnostic Algorithm
Score ≤0: D-dimer → If neg: rule out
Score 1-2: D-dimer → If pos: US
Score ≥3: Ultrasound first
Frequently Asked Questions
How to Use
About the Wells DVT Calculator
What it calculates
Estimates probability of deep vein thrombosis using the Wells criteria for clinical pre-test assessment.
When to use it
Use in emergency and primary care to decide whether D-dimer testing or imaging is appropriate.
Example
A Wells score ≤1 suggests DVT is unlikely; scores ≥2 warrant further diagnostic workup.
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