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Pulse Oximeters

 Pulse Oximeters

  • A pulse oximeter is a device that measures the amount of oxygen in an individual’s blood, in addition to heart rate.
  • This non-invasive device measures the color changes that red blood cells undergo when they become saturated with oxygen.
  • By transmitting a special light beam through a fingertip to evaluate the color of the red cells, a pulse oximeter can calculate the degree of oxygen saturation within one percent of directly measured blood oxygen.
  •  Because of their portability and speed, pulse oximeters are very useful for pilots operating in non-pressurized aircraft above 12,500 feet where supplemental oxygen is required.
  • A pulse oximeter permits crewmembers and passengers of an aircraft to evaluate their actual need for supplemental oxygen.


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