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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. The problem with pulse oximeters your doctor probably ... - AOL

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

   Pulse oximeters came along in the 1980s as an easy and painless alternative. The device shines a light through the fingertip, seeking out oxygen-rich blood. The more light that’s absorbed, the ...

4. 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 ...

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

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

   Many are battery-powered and simply need to be turned on and placed on your index finger. Pulse oximeters display two readings—one is SpO2, which is the oxygen saturation level in your blood ...

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. FDA advisory panel reviewing pulse oximeter accuracy with ...

   www.aol.com/fda-advisory-panel-reviewing-pulse...

   The accuracy of pulse oximeters for people with dark skin tones is now being reviewed. An FDA advisory panel met Friday to talk about how to make these devices more accurate for people with darker ...