Emergency Medicine · Neurology
CHIP CT Head Injury Rule (Positive Count) calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
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0
CHIP CT not indicated
Band: CHIP CT not indicated
Interpretation. CHIP CT not indicated
Suggested management. Below CHIP CT indication threshold.
CHIP CT Head Injury Rule (Positive Count): 0 — CHIP CT not indicated. Interpretation: CHIP CT not indicated What to do: Below CHIP CT indication threshold. Inputs: Major CHIP criterion present (+2): false; One minor CHIP criterion (+1): false; Additional minor CHIP criterion (+1): false Source: Smits M et al. Predicting intracranial traumatic findings on computed tomography in patients with minor head injury: the CHIP prediction rule. Ann Intern Med. DOI: 10.7326/0003-4819-146-6-200703200-00004. PMID: 17371884. Scope: CT if any major criterion or ≥2 minor criteria. (2007)
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Clinical inputs
- Major CHIP criterion present (+2)
- One minor CHIP criterion (+1)
- Additional minor CHIP criterion (+1)
Primary source
Smits M et al. Predicting intracranial traumatic findings on computed tomography in patients with minor head injury: the CHIP prediction rule. Ann Intern Med. DOI: 10.7326/0003-4819-146-6-200703200-00004. PMID: 17371884. Scope: CT if any major criterion or ≥2 minor criteria. (2007)
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