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2. Everyone’s Buying These Pulse Oximeters — Here’s What They ...

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   Amazon and Walmart offer the greatest selection, but you can also buy cheap pulse oximeters at Target, Walgreens, and CVS. ... Nonin CM Fingertip Pulse Oximeter. Price: ... Price: $186 on sale ...

3. Here's what AOL readers are buying during the Cyber Monday ...

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   These luxurious bed sheets are half off at Walmart during Cyber Monday in every size and nearly every color. At just $17, it's the perfect time to load up on multiple pairs to get you through the ...

4. 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]

5. Walmart's early Black Friday deals are rivaling Amazon prices ...

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   Snag it now on sale at Walmart for $42, compared to $55 at Amazon. $42 at Walmart. ... The price is down to $36 at Walmart. If you buy it at Amazon, it'll set you back $43. $36 at Walmart.

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. Photoplethysmogram - Wikipedia

   en.wikipedia.org/wiki/Photoplethysmogram

   The PPG can be obtained from transmissive absorption (as at the finger tip) or reflection (as on the forehead). [2] In outpatient settings, pulse oximeters are commonly worn on the finger. However, in cases of shock, hypothermia, etc., blood flow to the periphery can be reduced, resulting in a PPG without a discernible cardiac pulse. [7]