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

   www.aol.com/10-best-walgreens-items-dropping...

   Kanka Soft Brush Tooth and Gum Pain Gel. Regular price: $9.79 Sale price: $7.99 The Kanka soft brush tooth and gum pain gel is now on sale for $7.99, saving Walgreens shoppers $1.80 off the ...

5. 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).

6. 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.

7. Walgreens - Wikipedia

   en.wikipedia.org/wiki/Walgreens

   One Walgreens pharmacy in Fort Myers, Florida, ordered 95,800 pills in 2009, but by 2011, this number had jumped to 2.2 million pills in one year. Another example was a Walgreens pharmacy in Hudson, Florida, a town of 34,000 people near Clearwater, that purchased 2.2 million pills in 2011, the DEA said.