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Many people have this experience: after squatting for a long time and then standing up suddenly, they will feel dizzy and dark. The main reason for this phenomenon is temporary anemia in the brain.
When a person is squatting, the waist and legs are twisted and turned, and the blood cannot flow up and down. If you stand up suddenly at this time, the blood will flow down quickly, resulting in local ischemia in the upper body, but the brain and eyes have particularly strict requirements for oxygen and nutrients, and they must not be slackened. If you are already weak, the situation is more serious.
However, don't panic when this happens, and you don't have to go to the hospital. If the blood supply to the head is insufficient, the heart will immediately work hard to pump blood up, and it will not take long for the body to return to normal. Of course, when standing up, don't move too hard, try as slowly as possible, so that the blood does not flow too violently, and the blood supply to the heart can keep up, and this phenomenon will not occur.
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It's either a violent rise, or it's low blood sugar.
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It's a lack of blood supply to the brain, and coughing a few times when you stand up will be avoided.
It is also possible that there is low blood sugar and if it is a normal meal, eat something sugary.
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The normal phenomenon is that the blood supply is insufficient.
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Some normal people will also have this situation, don't stand up suddenly, feel dizzy and squat a little, and get up slowly. Another thing is to go to the hospital to check whether there is anemia, low blood pressure, etc., and strengthen exercise.
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Poor blood pressure can improve the situation caused by eating more liters of peanuts and producing blood, mainly when squatting, it compresses the blood circulation. Suddenly stood up, and the blood circulation couldn't keep up. So there is the phenomenon you said!
You squat. When you stand up, you should be able to stand up slowly.
When a person is in a squatting position, the lower limbs are flexed, and the blood vessels of the lower limbs are compressed so that the blood is not easy to flow to the lower limbs, and the lower limbs appear to be ischemia.
When a person who has been squatting for a long time suddenly stands up, the blood vessels of the lower limbs are restored to unblocked, and at this time, it is like suddenly opening the floodgates, and the blood will rush to the lower limbs in large quantities, so that the head will not have enough blood, and the brain will not get enough oxygen and nutrition for a while.
The conclusion is that this phenomenon is mostly a normal phenomenon and is not caused by anemia.
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In fact, almost everyone is like this
It's all because of anemia, which is just a serious and not serious problem, and squatting for a long time causes cerebral congestion, so it leads to dizziness.
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This is normal, this is because of the lack of exercise, resulting in poor blood circulation, and when you stand up, there will be a temporary lack of oxygen in the brain, and there will be dizziness and blackness in front of your eyes.
It is recommended that you get up every morning and run for half an hour, which will not only enhance your physical fitness but also enhance your spleen and stomach function, so that your ability to absorb nutrients will be enhanced, and there will be no such problems.
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People with anemia, high blood pressure, and weak constitutions have this condition. The main reason is that when you are squatting, the blood is concentrated in the lower body, and when you stand up, the blood will rush to the head, causing the above situation.
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Normal, because standing too fast, the blood is not good, everyone is the same, no matter adults and children
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When squatting, your blood flow is slow, and when you get up, the blood does not flow properly, causing temporary dizziness. But when the blood is flowing properly, you're fine.
Standing up suddenly will cause the brain to be instantly insufficient, and you will be a little dizzy, and you will not have this situation if you stand up slowly.
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Many people will have insufficient blood supply to the brain, so there is no need to be nervous. Be careful not to squat or sit for too long, when you wake up, the blood will flow to the lower body, and the brain will be ischemic and cause dizziness.