Emergency Medicine · Pulmonology · Internal Medicine
Wells Criteria for Pulmonary Embolism calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
0
Low pretest probability (<2)
Consider D-dimer; if negative, PE is unlikely.
Formula inputs
- Clinical signs and symptoms of DVT
- PE is the most likely diagnosis or equally likely
- Heart rate >100
- Immobilization or surgery in the previous 4 weeks
- Previous PE or DVT
- Hemoptysis
- Malignancy (treatment within 6 months or palliative)
Primary source
Wells PS et al. Excluding pulmonary embolism at the bedside without diagnostic imaging. Ann Intern Med (2001)
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