Vasovagal syncope is the common faint that may be experienced by normal persons with no evidence of heart disease.

The vagus nerve is the nerve of the muscle in the throat and the larynx, and is the nerve that slows the rate of the heartbeat and supplies the parasympathetic nerves to the lungs, the stomach, the esophagus, and other abdominal organs.

arasympathetic means the nerves pertaining to the autonomic nervous system; the system which is concerned with control of involuntary bodily...