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  • 1.
    Asphyxia - Wikipedia, the free encyclopedia
  • Asphyxia (from Greek a-, "without" and σφυγμός (sphygmos), "pulse, heartbeat" ... An example of asphyxia is choking. Asphyxia causes generalized hypoxia, which ...
  • http://en.wikipedia.org/wiki/Asphyxia
  • 2.
    asphyxia: Definition from Answers.com
  • asphyxia n. A condition in which an extreme decrease in the concentration of oxygen in the body accompanied by an increase in the concentration of
  • http://www.answers.com/topic/asphyxia
Questions/Answers
What is the difference betweenasphyxia and hypoxia?
Both mean that there is not a sufficient supply of oxygen being given but what is the difference and if there is no difference, why use two different words for the same thing?
Asphyxia can be caused by injury to or obstruction of breathing passageways, as in strangulation or the aspiration of food (choking) or large quantities of fluid (near-drowning or drowning). The aspiration of food or fluid can result in a shrunken and airless state of the lungs that is known as atelectasis, a condition that aggravates hypoxemia. Asphyxia can also be caused by suffocation, the inability of sufficient oxygen to reach the brain, as in carbon monoxide poisoning. Hypoxia / hypoxemia is a condition in which there is an inadequate supply of oxygen in the blood. Hypoxia is caused by: A reduction in partial pressure of oxygen Inadequate oxygen transport The inability of the tissues to use oxygen
1) What's the differencebetween asphyxia andgeneralized hypoxia? 2) Howdoes hypoxia induce blindness?
1. Asphyxia refers to being unable to get air into the airways, causing a lack of oxygen. Asphyxia can be caused by anything that blocks air, including choking. Hypoxia is the result of oxygen not getting to body tissues and organs, and hypoxia can occur even when air is getting into the lungs if there is another reason that oxygen either isn't getting across the membranes of the lungs into the blood (like in pneumonia) or if the red blood cells are unable to carry it (like in carbon monoxide poisoning). Generalized hypoxia would be a widespread hypoxia affecting the body as a whole and is usually caused by things like altitude sickness in healthy people. Some organs, like the brain, and some areas, like the retina, are exquisitely sensitive to oxygen deprivation. Which leads us to your second questions... 2. Hypoxia can quickly induce blindness because the retina is served by one small artery (logically enough, the retinal artery) and it usually has no alternate or "collateral" supply. Once the cells of the retina die, they can't be replaced, so the person will be blind.
Will you suffer from Asphyxiaif you wear a mouthguardeverytime you sleep?
or if you wear a double (one for the upper teeth and one for the lower)
You shouldn't. There are dental appliances for sleep apnea and bruxism.. both resemble mouthgards and are worn to help you sleep better.
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