🫁 YEARS Algorithm (Suspected PE)
UseWhen to use: stable suspected PE in pathways that adopt YEARS.
StrataRule-out without CT when below threshold; otherwise proceed to imaging.
LimitsWhen not to use: unstable patients or pregnancy protocols that differ. · Pitfall: using 500/1000 without confirming FEU calibration. · PERC may still apply first in very-low-risk ED cohorts.
Sourcevan der Hulle T, et al. Lancet 2017 (YEARS)
This-shift next steps
After scoring: open the scene pack, peer scores, and the matching pathway. Local reference — no HIS write.
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Methodology · worked example, guidelines & full notes
3 items.
When to use
When to use: stable suspected PE in pathways that adopt YEARS.
How it works
Items: DVT signs, hemoptysis, PE most likely. 0 items → D-dimer <1000; ≥1 → <500 ng/mL FEU rules out.
Key points
- 3 items.
- 1000 vs 500 FEU.
- Next: 4PEPS / Wells PE / PERC.
References
Verification & sources · governance
FAQ
Frequently asked questions
- Does YEARS Algorithm (Suspected PE) upload patient data? Where is it calculated?
- Calculation runs locally in the browser; inputs and results are not uploaded. For licensed clinicians only; interpret with history, investigations and local protocols — not a diagnosis or prescription.