Suggestion: This situation can be adjusted by invigorating spleen and benefiting qi. It is recommended to go to the Chinese medicine department of the hospital for diagnosis. After confirmation, you can take Chinese medicine for a period of time.
Faint, maybe because of something?
We call the situation described above "syncope". There are many causes of syncope in clinic, and the mechanism is complicated. Here are some of the most common reasons.
1, temporary cerebral hypoperfusion
This is the main cause of syncope, which is characterized by rapid occurrence, transient, self-limiting and complete recovery. This situation usually has the following pathogenesis:
(1) Vasovagal syncope
Young people, there is nothing wrong with their bodies at ordinary times, and syncope is the most common type. Especially female patients, we encounter more.
The specific mechanism is: due to the increase of vagus nerve excitability and the decrease of sympathetic nerve excitability, the heart rate slows down, the peripheral blood volume decreases, the cardiac output decreases, the blood pressure decreases, and the blood supply to the brain is insufficient, which leads to the loss of consciousness of patients. Common factors induced by it are:
Standing for a long time
Emotional factors, such as fear, pain, dizziness, dizziness, etc.
Carotid sinus compression. Suddenly turning your head, tightening your collar, kissing, frolicking, etc. are most likely to appear.
Such patients generally show pallor, sweating, nausea, hypotension and bradycardia. And may lose consciousness for dozens of seconds or minutes, and it can be relieved by lying down for a while. After syncope, lying flat or raising the lower limbs relatively is helpful to increase blood volume and restore consciousness.
If syncope often occurs, it is suspected that this is the reason, and an upright tilt test can be done.
(2) Situational syncope
This syncope occurs in some cases:
For example, voiding syncope is more common in men. It may be caused by holding one's breath to stimulate vagus nerve during urination and reducing abdominal pressure after urination.
When sneezing and coughing, chest pressure increases, venous return is blocked, and cardiac output decreases, resulting in insufficient cerebral perfusion and syncope.
Syncope may also occur in swallowing, defecation, abdominal pain, laughing, after exercise and after meals.
(3) Postural hypotension
The main cause of the disease is the change of body position, such as standing up suddenly after squatting for a long time, and sometimes feeling dizzy. The pathogenesis is that when the body position changes, the blood mainly stays in the lower limbs, but the vasoconstriction function is poor and the blood return is less, which leads to the decrease of blood pressure and insufficient blood supply to the brain.
Young patients in this situation mainly consider autonomic dysfunction, so they should strengthen physical exercise and pay attention to anemia, especially women.