Clinical use
Use this calculator for simplified pe exclusion with adjusted d-dimer thresholds in thepulmonary workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.
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Pulmonary
YEARS Algorithm Calculator
Simplified PE exclusion with adjusted D-dimer thresholds
Calculate YEARS
Interpretation
0 items + D-dimer <1000: PE excluded. ≥1 item + D-dimer <500: PE excluded. Reduces CTPA by ~14%. Also validated in pregnancy.
Required inputs
- Clinical Signs DVT
- Hemoptysis
- PE Is Likely Diagnosis
- D Dimer
Evidence and limitations
This page cites 1 published reference. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.
References
- van der Hulle T et al. Lancet 2017;390:289-297
Frequently asked questions
What is the YEARS Algorithm?
YEARS Algorithm is a clinical calculator used for Simplified PE exclusion with adjusted D-dimer thresholds.
How do I interpret the YEARS Algorithm?
0 items + D-dimer <1000: PE excluded. ≥1 item + D-dimer <500: PE excluded. Reduces CTPA by ~14%. Also validated in pregnancy.
What inputs are required for the YEARS Algorithm?
Required inputs include Clinical Signs DVT, Hemoptysis, PE Is Likely Diagnosis, D Dimer.
What is the evidence behind the YEARS Algorithm?
The YEARS Algorithm page cites van der Hulle T et al. Lancet 2017;390:289-297.
Related Pulmonary Calculators
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Pre-test probability of pulmonary embolism
Pulmonary Embolism Severity Index (PESI)
30-day mortality risk stratification for acute pulmonary embolism
Simplified PESI (sPESI)
Simplified 6-point PE severity index for identifying low-risk patients
CURB-65 Score
Pneumonia severity and disposition
Next steps
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