Pulse Oximeter WisdomCard

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Research Notes on Pulse Oximeter


A pulse oximeter is a medical device that indirectly measures the oxygen saturation of a patient's blood (as opposed to measuring oxygen saturation directly through a blood sample) and changes in blood volume in the skin, producing a photoplethysmograph. It is often attached to a medical monitor so staff can see a patient's oxygenation at all times....read more at Wikipedia

Fast Facts:

  • Allows doctors to tell how much carbon monoxide is in a patients blood1
  • Oxygen Levels of 95% to 100% are considered normal2
  • Electric pulse oximeters (and finger pulse oximeters) are available which store several readings.3


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Research Notes References

  1. New York Times: In the Lab: Device Could Help Doctors and Smokers (Nov. 06, 2007)
  2. WikiHow: How to Measure Oxygen Saturation Using Pulse Oximeter
  3. Pulse-Oximeters.net: Choices in Types of Pulse Oximeters

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