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  2. Portable oxygen concentrator - Wikipedia

    en.wikipedia.org/wiki/Portable_oxygen_concentrator

    A portable oxygen concentrator (POC) is a device used to provide oxygen therapy to people that require greater oxygen concentrations than the levels of ambient air. It is similar to a home oxygen concentrator (OC), but is smaller in size and more mobile. They are small enough to carry and many are now FAA -approved for use on airplanes.

  3. Oxygen concentrator - Wikipedia

    en.wikipedia.org/wiki/Oxygen_concentrator

    Oxygen concentrator. An oxygen concentrator is a device that concentrates the oxygen from a gas supply (typically ambient air) by selectively removing nitrogen to supply an oxygen-enriched product gas stream. They are used industrially, to provide supplemental oxygen at high altitudes, and as medical devices for oxygen therapy.

  4. Altitude sickness - Wikipedia

    en.wikipedia.org/wiki/Altitude_sickness

    Altitude sickness. Altitude sickness, the mildest form being acute mountain sickness ( AMS ), is a harmful effect of high altitude, caused by rapid exposure to low amounts of oxygen at high elevation. [ 1][ 2][ 3] People can respond to high altitude in different ways. Symptoms may include headaches, vomiting, tiredness, confusion, trouble ...

  5. High altitude breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/High_altitude_breathing...

    High altitude breathing apparatus is a breathing apparatus which allows a person to breathe more effectively at an altitude where the partial pressure of oxygen in the ambient atmospheric air is insufficient for the task or to sustain consciousness or human life over the long or short term. High altitude breathing sets may be classified by type ...

  6. Oxygen tent - Wikipedia

    en.wikipedia.org/wiki/Oxygen_tent

    An oxygen tent consists of a canopy placed over the head and shoulders, or over the entire body of a patient to provide oxygen at a higher level than normal. Some devices cover only a part of the face. Oxygen tents are sometimes confused with altitude tents as used by athletes and those looking to acclimatize to a higher altitude, but those ...

  7. Positive airway pressure - Wikipedia

    en.wikipedia.org/wiki/Positive_airway_pressure

    Positive airway pressure ( PAP) is a mode of respiratory ventilation used in the treatment of sleep apnea. PAP ventilation is also commonly used for those who are critically ill in hospital with respiratory failure, in newborn infants ( neonates ), and for the prevention and treatment of atelectasis in patients with difficulty taking deep breaths.

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