Wells Score for PE
Assess clinical probability of pulmonary embolism using Wells criteria.
Important Health Disclaimer
This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.
For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.
Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.
Not a substitute for professional medical advice
Wells Criteria for PE
Select all criteria that apply:
Wells Score for PE
0
Low Risk
PE Probability: 1.3%
Recommended Action
Low probability. Consider PERC rule. If PERC negative, no further testing. If PERC positive, D-dimer testing.
Three-Tier (Traditional) Model
- 0-1: Low risk (1.3%)
- 2-4: Moderate risk (16.2%)
- > 4: High risk (37.5%)
Two-Tier (Simplified) Model
- ≤4: PE unlikely (12.1%)
- > 4: PE likely (37.1%)
Diagnostic Algorithm
Low risk: PERC rule first, then D-dimer if PERC positive
Moderate risk: D-dimer, CTPA if positive
High risk: Direct to CTPA
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