The symptom known as fainting that we have seen before, whether in real life or in dramas, is a symptom of suddenly losing consciousness. The causes of fainting vary. Some people faint when they are in the sun. Some people faint when they encounter something that affects their mind.

It has specific symptoms: sudden loss of consciousness, occurring for a short period of time, and being able to regain consciousness on its own. Manifests itself through a variety of symptoms, such as:
- Calling without feeling
- Sweat on the face
- Fell to the ground, unable to keep his balance
- There may be temporary stiffness in the hands, feet, and eyelids.
- Patients will not remember the events of their unconsciousness. The unconsciousness will last from 30 seconds to 5 minutes, depending on the patient’s basic health.
It may have symptoms before fainting, such as feeling lightheaded, dizzy, unsteady, blurred vision, or seeing flashes of light เล่นบาคาร่า UFABET เว็บตรง ค่าคอมสูง, cold hands and feet, nausea, etc.
Fainting without knowing is very dangerous, especially for people who have to work at heights or drive. Fainting occurs when the brain is severely deprive of blood, causing the sensory center to lose function. There are several main causes:
- Epilepsy
- Heart disease that blocks blood flow, such as severe stenosis of the heart valves, blocked coronary arteries.
- Low blood pressure, which is often cause by diarrhea, gastrointestinal bleeding. Who take excessive doses of blood pressure medication, especially in the elderly.
- Simple fainting, which is the most common cause. Patients often have a history of fainting since childhood. They often faint when they see blood, needles, stand in the sun, in hot and humid weather, or in crowded buses.
- Arrhythmia The heart may beat too slowly, causing insufficient blood to the brain. Or in some cases, the heart beats too fast, causing it to be inefficient enough to send blood to the body, causing fainting. This type of cause is dangerous because the patient may die suddenly.
- Neurogenic Syncope, which is often in the elderly and cannot maintain blood pressure.
For those who faint due to other health problems, the best prevention is to treat those diseases to prevent fainting in the future. To prevent fainting from happening again, try to avoid things that trigger fainting, such as standing for a long time, dehydration, or avoiding being in a hot environment.