Research tidbit: Lyme disease may directly affect the vagus nerve or the brainstem
World Journal of Cardiology ABSTRACT: AIM: To conduct the first systematic test of the hypothesis that modulation of cardiac vagal tone is impaired in Lyme disease. METHODS: The response of cardiac vagal tone to respiratory modulation was measured in 18 serologically positive Lyme disease patients and in 18 controls. RESULTS: The two groups were matched…