Asphyxia is a condition of severely deficient supply of oxygen to the body. In the absence of remedial action it will very rapidly lead to unconsciousness and death. Asphyxia is the same as suffocation and anoxia.
Low oxygen environments: eg. the filling of cryogenic vessels with liquified gases such as Nitrogen in an enclosed space. Another example is of workers climbing down into a fermentation vat in a brewery, not realising the vessle has filled with carbon dioxide.
Problems during childbirth can lead to the newborn experiencing asphyxia.
Prolonged asphyxia can result in brain damage even when it does not cause death.
Specifically, anoxia is a condition in which there is an absence of oxygen supply to an organ's tissues although there is adequate blood flow to the tissue.
Anoxia and hypoxia, however, are often used interchangeably -- without regard to their specific meanings -- to describe a condition that occurs in an organ when there is a diminished supply of oxygen to the organ's tissues.
Anoxia and hypoxia may be caused by a number of events, such as smoke or carbon monoxide inhalation, high altitude exposure, strangulation, anesthetic accidents, or poisoning.
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