Health for a lifetime >>>> Dizziness on rising

Dizziness on rising.

A very common occurrence - dizziness when getting up, for example from bed, should always be alarming. This kind of dizziness, which occurs when the body position changes from horizontal to vertical, is a symptom of the development of several dangerous diseases, each of which requires timely treatment.

An abrupt change in the body changes the intensity of blood flow in the area of the brain. A poorly functioning vascular system does not have time to adapt to a new position of the body and sudden cerebral ischemia (lack of blood supply to the brain) occurs, which causes dizziness. Dizziness is often accompanied by nausea, urge to vomit, blurred vision, darkening of the eyes, stunnedness. In some cases, there may be a movement of objects or details of the room environment in front of the eyes, a feeling of the floor leaving from under the feet.

This condition is typical for orthostatic hypotension, when a person's pressure drops sharply when moving from a horizontal position to a vertical one. Orthostatic hypotension can result from a malfunction of the sympathetic nervous system, which is responsible for vascular resistance to blood flow (vessels do not narrow in time).

Orthostatic hypotension can accompany a number of diseases: vegetative-vascular dystonia, multiple sclerosis , brain tumors, osteochondrosis of the cervical and shoulder girdle, hernias of various parts of the spine, syringomyelia.

Dizziness when changing the position of the body is also characteristic of violations of the vestibular apparatus, it is called "paroxysmal positional vertigo." Such dizziness can develop when the head is turned in different directions, when the head is thrown back, when the head is lowered, when the body bends.

Dizziness when lying down is also a dangerous condition. If the head is spinning lying down, then such a symptom indicates a significant violation of blood flow in the cervical spine. Blood flow is inhibited, and the brain does not receive enough oxygen, which provokes dizziness, which can result in loss of consciousness.

Transient ischemic attacks, in which blood flow between the spine and the head is disturbed for various reasons, can cause dizziness. These are dangerous phenomena that can result in persistent circulatory disorders in the brain.

Dizziness is a frequent companion of stress and nervous shock. It is no secret that stress changes the chemical composition of the blood, and this, in turn, affects the work of the vascular wall of blood vessels, which begin to contract and relax inappropriately, causing changes in blood pressure and, as a result, disruption of the blood supply to the brain.

It should be remembered that dizziness can be a harbinger of a stroke, so you should always treat dizziness as an alarming sign.