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Rule of 7s for Lyme Meningitis

Number of days of headache

≥7

CSF mononuclear cells
Lymphocytes and monocytes

<70%

≥70%

7th (or other) cranial nerve palsy

Yes

Result :

Rule of 7s for Lyme Meningitis : 0 points.

Low risk for Lyme meningitis. Antibiotics not recommended, ensure close patient follow up, use clinical judgement re: disposition.

References

Garro AC, Rutman M, Simonsen K, Jaeger JL, Chapin K, Lockhart G. Prospective validation of a clinical prediction model for Lyme meningitis in children. Pediatrics. 2009;123(5):e829-34.

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All Information contained in and produced by the Pediatric Oncall system is provided for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease. This information is not intended to replace clinical judgement or guide individual patient care in any manner.

Rule of 7s for Lyme Meningitis

References

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