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2. FDA reviews evidence pulse oximeters less accurate on people ...

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   The Medical Devices Advisory Committee of the U.S. Food and Drug Administration (FDA) recently met to review the reported inaccuracy of pulse oximetry in patients with darker skin. The meeting ...

3. FDA convenes meeting on ‘mounting real-world evidence’ pulse ...

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   Story at a glance FDA panel meets to discuss pulse oximeters, which are medical devices that measure blood oxygen levels. Studies have suggested that oximeter readings are less accurate for people ...

4. An essential medical device fails people of color. A clinic ...

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   Inaccurate pulse oximeter readings are more common in Black patients than non-Black ones. It was a problem that could be ignored — until COVID-19 hit. An essential medical device fails people of ...

5. 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]

6. Photoplethysmogram - Wikipedia

   en.wikipedia.org/wiki/Photoplethysmogram

   If the pulse oximeter is attached without compressing the skin, a pressure pulse can also be seen from the venous plexus, as a small secondary peak. The change in volume caused by the pressure pulse is detected by illuminating the skin with the light from a light-emitting diode (LED) and then measuring the amount of light either transmitted or ...

7. 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).