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  2. Pulse oximetry - Wikipedia

    en.wikipedia.org/wiki/Pulse_oximetry

    A blood-oxygen monitor displays the percentage of blood that is loaded with oxygen. More specifically, it uses light spectrometry to measure what percentage of hemoglobin, the protein in blood that carries oxygen, is loaded. Acceptable normal SaO 2 ranges for patients without pulmonary pathology are from 95 to 99 percent.

  3. What Is a Normal Oxygen Level and How Can I Check Mine? - AOL

    www.aol.com/normal-oxygen-level-check-mine...

    The tiny devices, which range in price from $20 to $200, clamp snugly over the index finger and display the percentage of oxygen being carried around by your blood. But how accurate are they? And ...

  4. CO-oximeter - Wikipedia

    en.wikipedia.org/wiki/CO-oximeter

    Finger tip carboxyhemoglobin saturation monitor.. A CO-oximeter is a device that measures the oxygen carrying state of hemoglobin in a blood specimen, including oxygen-carrying hemoglobin (O2Hb), non-oxygen-carrying but normal hemoglobin (HHb) (formerly, but incorrectly, referred to as 'reduced' hemoglobin), as well as the dyshemoglobins such as carboxyhemoglobin (COHb) and methemoglobin (MetHb).

  5. 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.

  6. Transcutaneous oxygen measurement - Wikipedia

    en.wikipedia.org/wiki/Transcutaneous_oxygen...

    The normal oxygen tension in the foot is approximately 60 mmHg, and the normal chest/foot ratio is approximately 0.9. [2] Many factors can limit the accuracy of the test including edema, temperature, inflammation, medications, and stress. In addition for the measurement to be normal, all parts of the oxygenation pathway must be functioning: the ...

  7. What Is a Normal Oxygen Level and How Can I Check Mine? - AOL

    www.aol.com/lifestyle/normal-oxygen-level-check...

    One of those vital signs is blood oxygen level, and in the hospital, it’s measured with a pulse oximeter. Patients with Covid-19 can sometimes have relatively mild symptoms and seem to be ...

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