Do you know what causes vertigo?

I think vertigo can at least be divided into psychological and physical dizziness. Mental halo is mainly due to psychological fear and produces a physical reaction that is similar to the conditioned reflex of animals and comes from the brain's unconscious behavior patterns. Take a chestnut:

Wen Fei General and stagnant. Physiological halo is mainly due to the imposition of external conditions that lead to conscious reflexes of physiological functions. Here's an example:

Eating something bad causes gastrointestinal discomfort and causes syncope. Fainting due to uncertain swaying, such as: seasickness, motion sickness. ‍‍

Central vertigo, the common ones are: vestibular migraine, motion sickness, posterior circulation ischemia, cerebellar hemorrhage, brain tumor, multiple sclerosis, poisoning, cerebellar inflammation, hereditary metabolic diseases, etc.; This type of vertigo is usually long-lasting, relatively mild, and often accompanied by other symptoms. ‍‍

If the elderly have dizziness, fatigue, and paleness, they should go to the hospital for examination to see if they are anemic. Older people are prone to anemia if they don't pay attention to nutritional care. In addition, anemia can be secondary to indigestion, peptic ulcer, gastrointestinal bleeding, and chronic inflammatory diseases in older patients. ‍‍

The heart needs to be well supplied with energy. The blood supply to the heart itself has two significant characteristics: although the weight of the heart is less than 1% of the body weight, it needs 20% of the total body blood volume to meet the blood supply of the heart itself; In order to meet the special needs of the heart blood supply, the human body also has its own coronary artery circulation blood supply system to ensure adequate blood supply.

Insufficient blood supply to the heart muscle can also cause vertigo. ‍‍

There are two kinds of dizziness I know: 1. Imbalance of blood supply to the brain, such as squatting on the ground for too long and suddenly standing up violently, dizziness will occur, 2. Anemia, high blood pressure will also cause dizziness, 3. Visual walking: such as, fear of heights, rotation in one direction, riding roller coasters, elevators, watching horror movies, etc., these are all experiences and what you see around you. ‍‍

Cerebral insufficiency or cervical vascular stenosis can be performed with transcranial Doppler, cranial CT, cranial MRI, cerebral angiography and other examinations. Of course, cerebral infarction, cerebral hemorrhage, intracranial mass, head trauma, etc. can also cause dizziness. ‍‍

High blood viscosity, hyperlipidemia, thrombocythemia, etc. can make the blood viscosity high and the blood flow slow, resulting in insufficient blood supply to the brain, and symptoms such as easy tiredness, dizziness, and fatigue. Among them, there are many reasons for hyperlipidemia, the most important of which is the unreasonable diet structure. ‍‍

The patient feels dizzy, often has insomnia, tinnitus, emotional instability, forgetfulness, and numbness in the limbs. Cerebral arteriosclerosis makes the inner diameter of blood vessels smaller, and the blood flow in the brain decreases, resulting in cerebral blood supply, insufficient oxygen supply, and dizziness. ‍‍