Dictionary » F » Fainting



(Science: neurology, physiology) a form of syncope (fainting) that occurs as a part of a normal physiologic response to stress (often emotional stress). The individual becomes lightheaded, nauseated, flushed, feels warm and then may lose consciousness for several seconds.

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Effects on the urinary system of drinking too much beer

... resumes. - It is impossible for small children to kill themselves by volunatrily holding their breath. If breath is held long enough to cause fainting, breathing resumes when consciousness is lost. - CO2 lipid soluble, easily diffuses into cells where in the presence of carbonic anhydrase ...

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by Ice84
Wed Nov 03, 2010 3:50 pm
Forum: Physiology
Topic: Effects on the urinary system of drinking too much beer
Replies: 1
Views: 5716

Re: Marey's Law

... are called the buffer nerves .. the significance is to maintain normal value of arterial blood pressure (ABP) rapidly as hypotention may cause fainting and coma if severe and hypertention may cause cerebral haemorrhage if sudden and severe .. Actually marey's law is only one mechanism done ...

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by DrHesham
Tue Oct 12, 2010 10:40 pm
Forum: Physiology
Topic: Marey's Law
Replies: 9
Views: 24426

Handicap Theory and Defense Reactions

... theory. Specifically, I'm curious about blood-injury phobia in humans (theories state that the sudden drop in blood pressure--which leads to fainting--due to the sight of blood and injuries is due to an evolved trait for defense against predators or enemies). Other examples I was thinking ...

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by IPO
Wed Feb 10, 2010 4:31 pm
Forum: Evolution
Topic: Handicap Theory and Defense Reactions
Replies: 1
Views: 2708

Stomach bloating and weight gain

Hi. Have been having chest pain under my left breast for the past 3 days with the feeling of fainting as well. Went to walk-in today as I was scared. They did an ECG but it came back normal. My blood pressure is O.K. sitting or standing. But when she checked my heart ...

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by Momofthree
Sat Nov 22, 2008 3:47 am
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 453
Views: 2911382

Sugar Allergy

... - urinary tract infections. I also always seem to be tired, anemic (also predominantly vegetarian though) and always light headed, sometimes fainting. I had the blood test because i was at my wits end with bladder infections and taking ani-biotics every month, so i was willing to try anything. ...

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by Marama
Wed Jul 09, 2008 5:57 am
Forum: Human Biology
Topic: Sugar Allergy
Replies: 76
Views: 287702
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