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2. The problem with pulse oximeters your doctor probably ... - AOL

   www.aol.com/news/problem-pulse-oximeters-doctor...

   Pulse oximeters came along in the 1980s as an easy and painless alternative. The device shines a light through the fingertip, seeking out oxygen-rich blood.

3. 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]

4. 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).

5. Photoplethysmogram - Wikipedia

   en.wikipedia.org/wiki/Photoplethysmogram

   [1] [2] A PPG is often obtained by using a pulse oximeter which illuminates the skin and measures changes in light absorption. [3] A conventional pulse oximeter monitors the perfusion of blood to the dermis and subcutaneous tissue of the skin. Finger pulse oximeter. With each cardiac cycle the heart pumps blood to the periphery. Even though ...

6. 10 Best Walgreens Items Dropping in Price Just in Time ... - AOL

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   Lasko 20″ Box Fan. Regular price: $29.99 Sale price: $24.99 Don’t wait until it’s sweltering outside to shop for a fan. Walgreens shoppers can now save $5 off their purchase of Lasko 20-inch ...

7. Walgreens is cutting prices on 1,500 items, joining Target ...

   www.aol.com/walgreens-cutting-prices-1-500...

   For example, an 80-count One A Day gummy vitamins jar now cost $11.99, down from $13.49 and the price of a bag of sour cream and onion potato chips from the Walgreens-owned Nice! brand now costs ...