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Information about Hypoxia

Hypoxia literally means "deficient in oxygen." It can refer to:
  • Hypoxia (medical), a shortage of oxygen in the body. Hypoxaemia is the reduction of oxygen specifically in the blood; anoxia is when there is no oxygen available at all.
  • Environmental hypoxia, a condition in high altitudes such as mountains where the reduced partial pressure of oxygen available leads to hypoxia.
  • Ischemia, a restriction in blood supply (and therefore oxygen supply) to an organ or section of the body, generally due to constriction or blocking of blood vessels.
  • Hypoxia (environmental) or oxygen depletion, a reduced concentration of dissolved oxygen in a water body leading to stress and death in aquatic organisms.
  • Dead zone (ecology), or hypoxic zones, hypoxic areas in the world's oceans.
  • Anoxic sea water, a condition of abnormally low levels of oxygen in the sea.
  • Oxygen minimum zone, the depth in the sea at which the dissolved oxygen level is lowest, or most hypoxic.
  • Hypoxia, a song on the album Spheres 2 by Delerium

See also

  • Oxygen saturation, a relative measure of the oxygen dissolved or carried in a medium; a measure of the severity of hypoxic conditions.
  • Oxygen toxicity (hyperoxia), the opposite condition of hypoxia, an excess of oxygen in body tissues.
  • Time of Useful Consciousness, a measure of how quickly hypoxia renders a person incapable of normal thought.
For other uses of the term "hypoxia", see hypoxia.


Hypoxia is a pathological condition in which the body as a whole (generalised hypoxia) or region of the body (tissue hypoxia) is deprived of adequate oxygen supply.
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High altitude are regions on the Earth's surface (or in its atmosphere) that are high above mean sea level. The composition and temperature of the atmosphere at high altitude is substantially different than at sea level.
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In medicine, ischemia (Greek ισχαιμία, isch- is restriction, hema or haema is blood) is a restriction in blood supply
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For other uses of the term "hypoxia", see hypoxia.
Hypoxia or oxygen depletion is a phenomenon that occurs in aquatic environments as dissolved oxygen (DO
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Dead zones are hypoxic (low-oxygen) areas in the world's oceans, the observed incidences of which have been increasing since oceanographers began noting them in the 1970s. The term could as well apply to the identical phenomenon in large lakes.
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Anoxic sea water refers to water depleted of oxygen. It is generally found in areas with restricted water exchange. In most cases, oxygen is prevented from reaching the deeper parts of the sea area by a physical barrier (sill) as well as a pronounced density stratification.
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The Oxygen minimum zone (sometime referred to as the shadow zone) is the zone in which oxygen saturation in seawater in the ocean is at its lowest. This zone occurs at depths of about 200 to 1,000 metres, depending on local circumstances.
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Spheres 2 is an album by Canadian industrial/electronic music group Delerium in 1994 (see 1994 in music).

Track listing

  1. "Morphology" - 9:28
  2. "TransHumanist" - 10:11
  3. "Shockwave" - 8:33
  4. "Dimensional Space" - 5:27
  5. "Hypoxia" - 8:50

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Oxygen saturation is a relative measure of the amount of oxygen that is dissolved or carried in a given medium. It can be measured with a dissolved oxygen probe such as an oxygen sensor or an optode in liquid media, usually water.
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Oxygen toxicity or oxygen toxicity syndrome (also known as the "Paul Bert effect") is severe hyperoxia caused by breathing oxygen at elevated partial pressures. The high concentration of oxygen damages cells.
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Time of useful consciousness (TUC) is defined as the amount of time an individual is able to perform flying duties efficiently in an environment of inadequate oxygen supply.
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