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2. Pulse oximetry - Wikipedia

   en.wikipedia.org/wiki/Pulse_oximetry

   A pulse oximeter probe applied to a person's finger. A pulse oximeter is a medical device that indirectly monitors 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 photoplethysmogram that may be further processed into other measurements. [4]

3. Photoplethysmogram - Wikipedia

   en.wikipedia.org/wiki/Photoplethysmogram

   [1] [2] A PPG is often obtained by using a pulse oximeter which illuminates the skin and measures changes in light absorption. [3] A conventional pulse oximeter monitors the perfusion of blood to the dermis and subcutaneous tissue of the skin. Finger pulse oximeter. With each cardiac cycle the heart pumps blood to the periphery. Even though ...

4. Oxygen saturation (medicine) - Wikipedia

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

   Example pulse oximeter. Pulse oximetry is a method used to estimate the percentage of oxygen bound to hemoglobin in the blood. [10] This approximation to SaO 2 is designated SpO 2 (peripheral oxygen saturation). The pulse oximeter is a small device that clips to the body (typically a finger, an earlobe or an infant's foot) and displays its ...

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

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

   How to check blood oxygen using a pulse oximeter. Although they were scarce early in the pandemic, pulse oximeters are now easy to find. (An Amazon search returns 1,000 results.) Many are battery ...

6. 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).

7. Everyone’s Buying These Pulse Oximeters — Here’s What They ...

   www.aol.com/everyone-buying-pulse-oximeters-don...

   Add finger pulse oximeters to the list of things that have become suddenly scarce during the coronavirus pandemic, ... Normal levels in otherwise-healthy adults range between 95% and 100% ...

8. Should You Have a Pulse Oximeter in Your Family First Aid Kit?

   www.aol.com/news/pulse-oximeter-family-first-aid...

   Pulse oximeters measure heart rate and oxygen levels, but can they accurately detect dangerous symptoms of COVID-19? Experts explain how pulse oximeters work, what the readings mean, and whether ...

9. Point-of-care testing - Wikipedia

   en.wikipedia.org/wiki/Point-of-care_testing

   Similarly, pulse oximetry can test arterial oxygen saturation in a quick, simple, noninvasive, affordable way today, but in earlier eras this required an intra-arterial needle puncture and a laboratory test; and rapid diagnostic tests such as malaria antigen detection tests or COVID-19 rapid tests that rely on a state of the art in immunology ...