Home › Clinical Tools › ASI

💓 Age-Adjusted Shock Index (ASI)

UseWhen to use: adult trauma/critical illness early risk cue with vitals.

Loading calculator…

StrataHigher ASI associates with worse outcomes; cohort cutoffs often ~50–70.

LimitsWhen not to use: as standalone triage protocol. · Pitfall: pediatric blunt trauma — prefer SIPA. · Interpret with lactate, SI/MSI, and clinical perfusion.

SourceAge-adjusted shock index trauma/critical care literature

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.

Score + version; reference only — not a substitute for care · no HIS write

Paste the link in Slack, Teams, X, or LinkedIn — the preview image comes from this page’s Open Graph card.

Methodology · worked example, guidelines & full notes
Clinical takeaway

Age × SI.

When to use

When to use: adult trauma/critical illness early risk cue with vitals.

How it works

ASI = age × (HR / SBP).

Key points

  • Age × SI.
  • Adult focus.
  • Next: SI / MSI / SIPA.

References

  • Age-adjusted shock index trauma/critical care literature
Verification & sources · governance
FAQ

Frequently asked questions

Does Age-Adjusted Shock Index (ASI) 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.
Related tools