Cranial nerve X - the Vagus nerve

Signs and Symptoms of Lesions

Loss of voice, voice impairment, position changes of vocal cords, swallowing difficulty, spasm of the esophagus, cardiac or pyloric sphincter dysfunction, loss of gag reflex, pain or paresthesia in the pharynx, larynx and external auditory meatus, bradycardia, tachycardia and dilation of stomach.

Vagus Nerve Test

Observe the individual swallowing.