Work out wells score for dvt instantly with clear inputs, formula shown and shareable results.
Counts the nine one-point Wells criteria for deep vein thrombosis and subtracts two points when an alternative diagnosis is at least as likely.
Wells DVT
Score = number of one-point criteria - 2 if an alternative diagnosis is at least as likely; 2 or more means DVT likely
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
Most pathways use the two-tier version, combining an unlikely score with a negative D-dimer to rule out DVT.
No. It stratifies pre-test probability to decide whether D-dimer or ultrasound comes next.