News Guide: The 30 -year-old man fainted while running in Shishi Xiyang Park. The masses took rescue measures and sent them to the hospital from 120. The man died unfortunately. The cause of sudden death in men is motor fainting caused by myocardial infarction.
What is exercise fainting ?
Exercise fainting is temporary cerebral anemia caused by excessive or intense exercise of the mind and body organs, vasoconstriction, and blood circulation. At first, I may feel dizzy, palpitations, nausea, vomiting, cold sweats, etc., and then I will lose consciousness and faint.
Those who develop motor fainting may be healthy people or people with certain underlying diseases. In severe cases, they may die suddenly.
How does running prevent exercise fainting ?
1. It is necessary to strengthen physical exercise in order to enhance physical fitness, adhere to the training principles of the scientific system, and avoid excessive fatigue and excessive tension.
2 , participate in long-term intense sports, must be trained athletes.
3. Add sugar, salt and water in time for long-distance exercise.
4 , do not stop after the sprint, should continue to jog for a period of deep breathing.
5 , when standing for a long time, always alternately move the lower limbs. Do not stand up suddenly after a long time, and slowly stand up.
6 , long-term illness, infirm, temporarily do not participate in strenuous exercise.
7. If the elderly and infirm have motor fainting, they should go to the hospital for ECG, blood pressure, EEG, etc. in order to detect hidden dangers early and treat them.
8. Do not participate in strenuous exercise in case of hunger.
Why does exercise syncope occur ?
Syncope is a transient disturbance of consciousness and loss of consciousness due to a temporary decrease in cerebral blood flow or a change in blood chemicals. Poor physical fitness may cause motor fainting. If you have less exercise or are not prepared before exercise, it may cause motor fainting.
1. Symptoms can occur when the cerebral blood flow is suddenly reduced below the critical value.
Human brain weight accounts for 2% of body weight , brain blood supply accounts for 1/6 of cardiac output , brain oxygen consumption accounts for 20% of systemic oxygen consumption , and the critical value of cerebral blood flow required to maintain consciousness is 30 ml per minute . 100g , syncope can occur when the cerebral blood flow drops below the critical value.
2 , changes in chemical composition such as hypocapnia or hypoglycemia can also cause loss of consciousness.
Blood glucose levels caused by any cause may be due to symptoms of autonomic nervous system activation and adrenaline release. When blood glucose levels are lowered to a low level, the brain's glucose uptake is reduced and the ability to use oxygen is decreased.
3 , Syncope during exercise or after exercise is related to sports, training level, physical condition, age and surrounding environment.
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