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2. Oxygen saturation (medicine) - Wikipedia

   en.wikipedia.org/wiki/Oxygen_saturation_(medicine)

   Normal arterial blood oxygen saturation levels in humans are 96–100 percent. [1] If the level is below 90 percent, it is considered low and called hypoxemia . [ 2 ] Arterial blood oxygen levels below 80 percent may compromise organ function, such as the brain and heart, and should be promptly addressed.

3. Pulse oximetry - Wikipedia

   en.wikipedia.org/wiki/Pulse_oximetry

   The ratio of the AC component to the DC component, expressed as a percentage, is known as the (peripheral) perfusion index (Pi) for a pulse, and typically has a range of 0.02% to 20%. [43] An earlier measurement called the pulse oximetry plethysmographic (POP) only measures the "AC" component, and is derived manually from monitor pixels. [41] [44]

4. Vital signs - Wikipedia

   en.wikipedia.org/wiki/Vital_signs

   Most have a normal body temperature set point that falls within the range of 36.0 to 37.5 °C (96.8 to 99.5 °F). ... an older child ... but the normal reference ...

5. The problem with pulse oximeters your doctor probably doesn’t ...

   www.aol.com/problem-pulse-oximeters-doctor...

   That is, they could be struggling for air despite normal pulse oximeter results. The potential for racial disparities in pulse oximetry was first revealed in a study published 34 years ago. "That ...

6. Hypoxia (medicine) - Wikipedia

   en.wikipedia.org/wiki/Hypoxia_(medicine)

   The normal range of P a O 2:F i O 2 ratio is 300 to 500 mmHg, if this ratio is lower than 300 it may indicate a deficit in gas exchange, which is particularly relevant for identifying acute respiratory distress syndrome (ARDS). A ratio of less than 200 indicates severe hypoxemia.

7. 3 signs your aging loved one may be ready for assisted living

   www.aol.com/3-signs-aging-loved-one-093001030.html

   Dementia Risk For People 55 And Older Has Doubled, New Study Finds. Sometimes, this presents in the form of diseases like Alzheimer’s or dementia. The severity of memory loss in seniors dictates ...