Wells' Criteria for Pulmonary Embolism
Pre-test probability of PE.
What is Wells' Criteria for Pulmonary Embolism?
Pre-test probability of PE. Wells' Criteria for Pulmonary Embolism is intended for use in: Adults.
How to Use the Wells' Criteria for Pulmonary Embolism Calculator
- Enter Clinical signs/symptoms of DVT.
- Enter PE is the most likely diagnosis.
- Enter Heart rate > 100 bpm.
- Enter Immobilization ≥ 3 days or surgery in the past 4 weeks.
- Enter Previous DVT or PE.
- Enter Hemoptysis.
- Enter Malignancy (treated within 6 months or palliative).
- Click Calculate to see your result and interpretation.
Formula & Version
This calculator uses formula version 1.0, last reviewed September 2026.
References
- Wells PS et al., Thromb Haemost 2000;83:416-420
Frequently Asked Questions
What is Wells' Criteria for Pulmonary Embolism?
Pre-test probability of PE.
Who is Wells' Criteria for Pulmonary Embolism intended for?
Adults. Always confirm applicability to your specific patient before use.
What formula or reference does Wells' Criteria for Pulmonary Embolism use?
Wells PS et al., Thromb Haemost 2000;83:416-420
Is Wells' Criteria for Pulmonary Embolism a diagnosis?
No. Wells' Criteria for Pulmonary Embolism produces a score or estimate to support clinical decision-making — it is not a diagnosis and should be interpreted alongside full clinical judgement.