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| Canadian Head CT Rule for Minor Head Injury |
The EBMcalc module Canadian Head CT Rule for Minor Head Injury is available in EBMcalc Complete Edition.
This calculator evaluates the following Clinical Criteria:
- Glasgow Coma Score <15 at 2 hours post injury
- Possible open or depressed skull fracture
- Any sign of basal skull fracture
- 2 or more episodes of vomiting after the injury
- Patient ≥65 years old
- Amnesia for events 30 minutes prior to injury
- Mechanism of injury was a dangerous activity or event
References
- Qushmaq I, Cook DJ. The Canadian CT Head Rule was as sensitive as, but more specific than, the New Orleans Criteria for identifying minor head injury. ACP J Club. 2006 Mar-Apr;144(2):53. PubMed ID: 16539368
- Stiell IG, Clement CM, Rowe BH, et al. Comparison of the Canadian CT Head Rule and the New Orleans Criteria in patients with minor head injury. JAMA. 2005 Sep 28;294(12):1511-8. PubMed ID: 16189364
- Stiell IG, Wells GA, Vandenheen K, et al. The Canadian CT Head Rule for patients with minor head injury. Lancet. 2001; 357: 1391-6. PubMed ID: 11356436
- Bloch R. A decision rule with 7 clinical criteria identified patients with minor head injury who did not need computed tomography. ACP J Club. 2001 Mar-Apr; 134:74.
- Haydel MJ, Preston CA, Mills TJ, et al. Indications for computed tomography in patients with minor head injury. N Engl J Med. 2000 Jul 13;343(2):100-5. PubMed ID: 10891517
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