Launched on 6th of October 2026

Cardio.toolsby Mohamed Ghazy, MD CardiologyAin Shams University, Egypt · Cardiology Consultant, Saudi ArabiaScopus ID: 55257919100
DVT & prophylaxis

Wells Score — DVT

Two-level Wells score combined with D-dimer and compression ultrasound to diagnose or exclude lower-limb DVT.

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Criteria
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Total score
0
DVT unlikely
Prevalence ≈ 5–6%
Decision guide
High-sensitivity D-dimer. Negative → DVT excluded, no imaging. Positive → compression ultrasound.
Ranges: -2–1 DVT unlikely2–9 DVT likely
References
  1. Wells PS, et al. Evaluation of D-dimer in the diagnosis of suspected deep-vein thrombosis. N Engl J Med 2003;349:1227-1235.
  2. NICE NG158. Venous thromboembolic diseases: diagnosis, management and thrombophilia testing (2020, updated 2023).
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