What is the connection between Vagus nerve and fainting?
Vagus nerve and fainting are connected by an autonomous reaction known as vasovagal syncope. To a often experienced state, a vasovagal syncope, which is sometimes called vasovagal reactions, occurs when the vagus nerve controls too much blood from the brain. Without a permanent oxygen supply, the brain closes quickly and the person temporarily loses consciousness. In most cases, recovery from excessively stimulated nerve and fainting is fast, and if the patient has not been injured during fainting, medical care for this type of fainting is not necessary.
In otherwise healthy patients, the vagus and fainting are closely connected. Although there are a number of conditions that can cause a person to faint, excessive stimulation of this nerve is the most common cause. This nerve is primarily responsible for joining the digestive system, heart and brain together, and especially for overturning additional blood into the digestive system if necessary. This systonek requires additional blood when digesting large food, handing on solid waste or vomiting. The main connection between Vagus nerve and fainting is,that in some patients the nerve may divert too much blood into the digestive system during these processes, causing a deficiency in the brain and renewing loss of consciousness.
In addition to diversion of blood from the brain, the vagus may cause blood pressure drop and dilatation of blood vessels. This makes the blood pool in the feet, far from the brain where consciousness is needed. The blood flow returns to the brain and blood pressure returns to normal after a person faints and the vagus nerve is effectively reset.
people who are prone to excessive stimulation of the vagus nerves, generally begin to adolesce, although over excessive stimulation of Vagus's nerve, accompanied by fainting, may occur in any person in any Age. If one often faints, the doctor should be consulted to make sure he is responsible for the vagus nerve. In the absence of any other health conditions such as a heart problem,There is no particularly dangerous fainting, although the decline caused by loss of consciousness can lead to injury.
It is also possible to excessive stimulation of the vagus nerve and fainting that occurs when one becomes emotionally charged. Fear can often lead to fainting and it is not uncommon for patients with excessive vagus to faint when looking at blood, subcutaneous needles or other things that cause fear. Situations with high stress can also lead to fainting.