Cause several great reasons to faint

Cause several great reasons to faint
According to " hygiene and life ", it is a passing consciousness obstacle not enough to cause of blood supply of brain to faint. Shown as unexpected consciousness is lost, fall down, resume as usual promptly after for a moment, commonly called as fainting or fainting. The reason to result in fainting roughly has the following aspects:
Blood vessel contract while being easy the intersection of blood vessel and fan person who walk faint and person who stand upright due to hypotension to faint mainly among the obstacle. The more rarely one is urinating fainting and coughing and faint etc.. Person who walk, fan of blood vessel, faint most common, account for 58.4%, see more young the intersection of physique and weaker woman, have inducement, pain, nervous, fear, the intersection of it and sultry, tired, empty stomach,etc. often. Another characteristic is often happening while standing or sitting down, seldom happen poaching the location. Faint blood pressure drop take place, heart rate slow down but heartbeat faint, look pale, produce cold sweat, but it is very fast to resume, there is no obvious sequela.
Standing upright hypotension faints and takes place when the patient adopts the upright location or stands enduringly, because the blood is accumulated to the lower extremities, energies of answering quantity is reduced, systolic pressure drops, cause insufficient blood supply of the sex for the moment of brain.
Getting original to faint heart this kind faint most serious, cardiac output reduce and heart park fight at the heart disease, its reason can be arranged by serious arrhythmia, heart the blood is obstructed, it is caused that the cardiac muscle is ischemic,etc.. Fainting can happen in any body posture suddenly, usually from second to several minutes, can twitch with the epilepsy kind, there is incontinence of feces and urine occasionally, look pale, heartbeat and pulse disappear. Once the heart happens to faint, should rescue originally immediately, carry on heart massage.
The brain faints originally because the brain blood vessel circulates the obstacle, cause insufficient extensive brain blood supply of the sex, the most common one is that the crossing brain is ischemic to break out. Frequent outbreak often indicates that more serious brain will take place to block up. Should treat dangerous factors such as hypertension, hyperlipemia and diabetes,etc. actively, use aspirin,etc. to resist the blood platelet medicine.
Blood composition excessively take a breath syndrome can also cause and faint.
In a word, the reason of fainting is numerous, easy obstacle of contracting of the blood vessel often has no danger, but the heart faints originally the most critical. The emergency call of the hospital, the doctor chooses inspections such as having an electro-cardiogram, heart supersound, head CT, head nuclear magnetic resonance, blood glucose, blood routine,etc. according to different situations after checking the body, should also create the physiological inspection of electricity if necessary. In addition, upper digestive tract massive haemorrhage, ectopic pregnancy,etc. are acute to lose blood can also be caused and fainted. But single time or break out accidentally faint, need, do, check further seldom. (Hou AiJie)
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