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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. Electro-galvanic oxygen sensor - Wikipedia

   en.wikipedia.org/wiki/Electro-galvanic_oxygen_sensor

   Electro-galvanic fuel cell as used in a diving rebreather to measure the partial pressure of oxygen. Two oxygen cells as used by oxygen analysers for diving gas showing commonly used connectors. An electro-galvanic fuel cell is an electrochemical device which consumes a fuel to produce an electrical output by a chemical reaction.

4. Arteriovenous oxygen difference - Wikipedia

   en.wikipedia.org/wiki/Arteriovenous_oxygen...

   The arteriovenous oxygen difference is usually taken by comparing the difference in the oxygen concentration of oxygenated blood in the femoral, brachial, or radial artery and the oxygen concentration in the deoxygenated blood from the mixed supply found in the pulmonary artery (as an indicator of the typical mixed venous supply). [citation needed]

5. Walgreens plans to close a significant number of stores. Are ...

   www.aol.com/walgreens-plans-close-significant...

   A Columbus Walgreens permanently shut down in April, according to Yahoo, on the heels of a store closure in West Dayton back in March, per the Dayton Daily News. Walgreens joins Rite Aid, CVS in ...

6. Walgreens Holiday Hours 2022

   www.aol.com/finance/walgreens-holiday-hours-2022...

   For stores that aren’t open 24 hours, typical operating times might be from 8 a.m. to 10 p.m. though, again, will vary from store to store. Be sure to check with the Walgreens location near you.

7. Oxygen saturation (medicine) - Wikipedia

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

   At 1,600 meters' altitude (about one mile high) oxygen saturation should be above 92%. [11] An SaO 2 (arterial oxygen saturation) value below 90% causes hypoxia (which can also be caused by anemia). Hypoxia due to low SaO 2 is indicated by cyanosis, but oxygen saturation does not directly reflect tissue oxygenation. The affinity of hemoglobin ...