GPAtlas🧮 Clinical calculator · Thrombosis and cardiovascular
Wells score for suspected PE (two-level)
Sorts suspected PE into likely or unlikely. The split NICE NG158 uses to decide whether imaging or a D-dimer comes first.
Free to use, no account needed. Result: Two-level PE Wells score. Last reviewed 7 Oct 2026.
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Before you rely on the result: NICE NG158 does not cover pregnancy, so this pathway does not apply in pregnancy or the postpartum period. A score supports a decision, it never makes one.
Related Ocean Article: Pulmonary Embolism (PE).
Further reading: Deep Vein Thrombosis (DVT) · Oral Anticoagulation.
Part of the GPAtlas clinical calculators, each result explained, built by practising UK GPs.