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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. You can save big during Walmart's after Christmas sales: See ...

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    Top Walmart weekly deals: Cate & Chloe Zelda 18k White Gold Plated Pendant Necklace with Simulated Diamond Crystal ($133 off) J.A. Henckels International Graphite 14-pc Self-Sharpening Knife Block ...

  4. Heart rate monitor - Wikipedia

    en.wikipedia.org/wiki/Heart_rate_monitor

    Welsh Government video: a smart phone heart rate monitor, 2016. More recent devices use optics to measure heart rate by shining light from an LED through the skin and measuring how it scatters off blood vessels. In addition to measuring the heart rate, some devices using this technology are able to measure blood oxygen saturation (SpO 2). Some ...

  5. 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.

  6. How Walmart's $90 billion Sam's Club is aiming to take down ...

    www.aol.com/finance/walmarts-90-billion-sams...

    Sam's Club is riding the dual waves of Walmart's rise as budget-conscious consumers flock to wholesale retailers.Led by CEO Chris Nicholas, who started in September 2023, the wholesale club ...

  7. Walmart Is Testing Real-Time AI to Monitor Its Stores - AOL

    www.aol.com/news/walmart-testing-real-time-ai...

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