vagotonic

noun Pathology.

1. hyperexcitability of the vagus nerve, producing bradycardia, decreased heart output, and faintness.

noun

1. pathological overactivity of the vagus nerve, affecting various bodily functions controlled by this nerve

n.

1. Overactivity or irritability of the vagus nerve, adversely affecting function of the blood vessels, stomach, and muscles.sympathetic imbalance