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Interactive Wells' Criteria for DVT calculator. Requires the [[MediaWiki:Gadget-calculator.js|calculator gadget]].
Interactive Wells' Criteria for [[Deep vein thrombosis|DVT]] calculator. Requires the [[MediaWiki:Gadget-calculator.js|calculator gadget]].


Usage: <code><nowiki>{{Wells DVT Calculator}}</nowiki></code>
Usage: <code><nowiki>{{Wells DVT Calculator}}</nowiki></code>

Revisión actual - 16:54 21 mar 2026

Interactive Wells' Criteria for DVT calculator. Requires the calculator gadget.

Usage: {{Wells DVT Calculator}}

Wells Score for DVT

Wells' Criteria for DVT
Criteria No Yes Points
Active cancer (treatment within 6 months or palliative) 1 +1
Bedridden recently >3 days or major surgery within 12 weeks 1 +1
Calf swelling >3 cm compared to other leg (measured 10 cm below tibial tuberosity) 1 +1
Collateral superficial veins (non-varicose) 1 +1
Entire leg swollen 1 +1
Localized tenderness along deep venous system 1 +1
Pitting edema confined to symptomatic leg 1 +1
Paralysis, paresis, or recent cast immobilization of lower extremities 1 +1
Previously documented DVT 1 +1
Alternative diagnosis at least as likely as DVT 1 −2
Wells' Score points
Interpretation (Traditional)
≤0 Low Risk — 5% prevalence of DVT. Consider D-dimer to rule out.
1–2 Moderate Risk — 17% prevalence of DVT. Consider D-dimer or ultrasound.
≥3 High Risk — 53% prevalence of DVT. Ultrasound recommended.
Interpretation (Dichotomized)
≤1 DVT Unlikely — D-dimer to rule out.
≥2 DVT Likely — Ultrasound recommended.
References
  • Wells PS et al. Value of assessment of pretest probability of DVT. Lancet. 1997;350:1795-1798. PMID 9428249.
  • Wells PS et al. Evaluation of D-dimer in suspected DVT. N Engl J Med. 2003;349:1227-1235. PMID 14507948.