Cardiology

Wells score — PE

Pre-test probability of pulmonary embolism.

Clinical signs & symptoms of DVT

PE is the most likely diagnosis

Heart rate > 100 bpm

Immobilisation ≥ 3 days or surgery in past 4 weeks

Previous DVT / PE

Haemoptysis

Malignancy (treatment within 6 months / palliative)

Wells PE score

Low probability

Consider PERC / D-dimer to exclude PE.

Educational decision-support only — not a substitute for clinical judgement or your institutional protocol. Verify against primary guidelines before acting.