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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

    A photoplethysmogram (PPG) is an optically obtained plethysmogram that can be used to detect blood volume changes in the microvascular bed of tissue. [1] [2] A PPG is often obtained by using a pulse oximeter which illuminates the skin and measures changes in light absorption. [3]

  4. 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.

  5. Why Walgreens Is Shuttering 1,200 Stores While Pharma ... - AOL

    www.aol.com/why-walgreens-shuttering-1-200...

    Walgreens is pulling the plug on 1,200 stores over the next three years. That's no small cut. And they're not the only ones feeling the squeeze. Business Insider reported that CVS and Rite Aid are ...

  6. Walgreens settles New York charges it grossly inflated prices ...

    www.aol.com/news/walgreens-settles-york-charges...

    James said Walgreens raised prices on the 20 products, including Abbott's Similac and Reckitt Benckiser's Enfamil, by 10% or more following the February 2022 recall, and in at least one case ...

  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 ...

  8. Phone companies haven't notified most victims of Chinese data ...

    www.aol.com/news/most-victims-chinese-phone-data...

    Dakota Cary, a China adviser at the cybersecurity company Sentinel One, said Chinese intelligence would most likely find call records, times and phone locations for the Washington area valuable.

  9. Transcutaneous oxygen measurement - Wikipedia

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

    To perform the test, one set of electrodes are placed on viable tissue (e.g. the chest) as a control and a second set is placed around the tissue in question (e.g. legs or feet). The electrodes may mildly heat the skin to increase blood flow into the area. Oxygen may also be given to the patient to see if that increases oxygen levels in the tissue.

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