This version was machine-translated from German and has not been medically reviewed. The authoritative version is the German version.
Rule of 7s for Lyme Meningitis
Headache < 7 days, < 70 % mononuclear CSF cells, no cranial nerve palsy → low risk of Lyme meningitis
Calculation aid for healthcare professionals: the calculator reproduces what the sources cited assign to the inputs. Clinical assessment and every treatment decision remain with the treating physician. Inputs and results are not stored.