🧠 New Orleans / Charity Head CT Rule
UseED triage of GCS-15 minor head injury. High sensitivity, low specificity.
StrataAll-negative can reduce unnecessary CT but does not cover anticoagulation, dangerous mechanism or focal defic…
LimitsOnly for GCS 15 minor head injury. · Canadian CT Head Rule uses different entry criteria. · Image if anticoagulated or focal neurology is present.
SourceHaydel MJ, Preston CA, Mills TJ, Luber S, Blaudeau E, DeBlieux PM. Indications for computed tomogra…
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
Any of 7 items → CT.
When to use
ED triage of GCS-15 minor head injury. High sensitivity, low specificity.
How it works
Any one of: headache; vomiting; age >60; intoxication; persistent anterograde amnesia; visible trauma above the clavicle; seizure.
Key points
- Any of 7 items → CT.
- Requires GCS 15.
- A negative rule does not override concern.
References
- Haydel MJ, Preston CA, Mills TJ, Luber S, Blaudeau E, DeBlieux PM. Indications for computed tomography in patients with minor head injury. N Engl J Med 2000;343:100-105
Worked calculation
The values below come from this tool's own example placeholders and are computed server-side with the formula shown on this page, so the arithmetic can be checked quickly. It demonstrates how to substitute values only — it is not clinical advice and not a real case.
| GCS is 15 after injury | Yes |
|---|---|
| Headache | Yes |
| Vomiting | Yes |
| Age >60 years | Yes |
| Drug or alcohol intoxication | Yes |
| Persistent anterograde amnesia (short-term memory deficit) | Yes |
| Visible trauma above the clavicle | Yes |
| Seizure | Yes |
→SuggestionObtain head CT
- Positive items：7 / 7
Verification & sources · governance
FAQ
Frequently asked questions
- Does New Orleans / Charity Head CT Rule 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.
- How is New Orleans / Charity Head CT Rule calculated in practice? Can you show a worked example?
- Inputs: GCS is 15 after injury Yes, Headache Yes, Vomiting Yes, Age >60 years Yes, Drug or alcohol intoxication Yes, Persistent anterograde amnesia (short-term memory deficit) Yes, Visible trauma above the clavicle Yes, Seizure Yes → Result: Suggestion Obtain head CT（Positive items: 7 / 7）