How can the Sa 's is strange to run to suddenly fall in a swoon?

How can the Sa 's is strange to run to suddenly fall in a swoon?
It is while jogging in the garden of Versailles villa of south suburb of Paris at noon on July 26 that French president's the Sa 's is neat, transient faintness appeared suddenly, is sent the hospital to checked by the military helicopter, this incident has even become the focus that every large media in the world reports. According to French media, the Sa 's is neat the personage reveals at one's side, this is " nervus vagus faintness " .
What is nervus vagus faintness? What does it have to do with exercise of running? Whose apt to take place such a situation?
This kind of transient consciousness that often appears while building up body is lost, will last several seconds ing, kind resumes by oneself to several minutes, its essence is temporary reduction of blood flow volume of brain, and will often recur, especially look on as mood and receive the pressure, extremely tired, panic, or it is easier to place oneself in the midst of the crowded, sultry room and break out.
Let's analyze Sa in what kind of the intersection of situation and fitness strange department at that time.
First, he is at about 1 o'clock at noon. This exactly hot summer the intersection of temperature and high period, run outdoors, hyperpyrexia itself to plant the strong stimulus, will make the blood vessel expand, the blood capacity will be reduced.
Second, he runs after lunch. The food will stimulate the nervus vagus excitement of intestines and stomach while seething, can cause the heart rate to be too slow, the heart outputs blood volume insufficiently.
Third, the Sa 's' strange mood is unstable. Take on the president's pressure and tired, will excessively stimulate the nervus vagus, and then initiated the heartbeat suddenly slowing down, blood vessel was expandedded, the oxygen deficiency of brain, cause transient consciousness to lose, faint.
Though blood vessel fan's walking faintness can resume by oneself, not too great danger. But this is a warning signal after all: May recur, may have connections with angina pectoris, can't excessively reduce weight.
Expert's view:
1.Building up body should avoid the outdoor exercises at noon on hot day to do exercises, can't satiate or hungry;
2.There should be a good mood to do exercises. Don't carry the spiritual burden, should move happily;
3.The movement intensity should vary with each individual. Young people can run and jump, climb the mountain; The elderly should be slow and leave, hit Taiji even more; The seriously ill one only moves about indoors or on the bed.
4.It doesn't show others to build up body and do exercises, can't strive to be strong to seek to do others down.
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