🩸 Age-Adjusted D-dimer Threshold
UseWhen to use: low/unlikely pretest VTE pathways with FEU assays (500 baseline).
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StrataBelow threshold + eligible pretest → VTE less likely; otherwise image.
LimitsWhen not to use: high/likely pretest, pregnancy, many inpatient pathw… · Pitfall: DDU vs FEU unit mismatch. · Always pair with Wells/YEARS/Geneva.
SourceRighini M et al. JAMA 2014 ADJUST-PE
Runs locally in your browser (no PHI uploaded). For licensed clinicians — not a substitute for clinical judgement.
Stored on this device for revisit reminders
This-shift next steps
After scoring: open the scene pack, peer scores, and the matching pathway. Local reference — no HIS write.
Scene next step
📋vte dxOpen scene pack →Matching pathway
🧭dvt_dxOpen pathway →Score + version; reference only — not a substitute for care · no HIS write
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Methodology · worked example, guidelines & full notes
Clinical takeaway
Age × 10 if ≥50.
When to use
When to use: low/unlikely pretest VTE pathways with FEU assays (500 baseline).
How it works
Age <50 → 500 µg/L FEU; age ≥50 → age × 10 µg/L FEU.
Key points
- Age × 10 if ≥50.
- FEU µg/L assumed.
- Next: Wells / YEARS / imaging.
References
- Righini M et al. JAMA 2014 ADJUST-PE
- Douma RA et al. BMJ 2010 age-adjusted D-dimer
Verification & sources · governance
FAQ
Frequently asked questions
- Does Age-Adjusted D-dimer Threshold 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.