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

    www.aol.com/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. The more light that’s absorbed, the ...

  3. What Is a Normal Oxygen Level and How Can I Check Mine? - AOL

    www.aol.com/normal-oxygen-level-check-mine...

    How to check blood oxygen using a pulse oximeter. Although they were scarce early in the pandemic, pulse oximeters are now easy to find. (An Amazon search returns 1,000 results.) Many are battery ...

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

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    Zacurate Pro Series 500DL. Price: $30 from Amazon Buy It If you're going to buy a cheap pulse oximeter, this is one of the few that has been tested by reliable organizations, Best Reviews, and ...

  6. Oxygen saturation - Wikipedia

    en.wikipedia.org/wiki/Oxygen_saturation

    Dissolved oxygen levels required by various species in the Chesapeake Bay (US). In aquatic environments, oxygen saturation is a ratio of the concentration of "dissolved oxygen" (DO, O 2), to the maximum amount of oxygen that will dissolve in that water body, at the temperature and pressure which constitute stable equilibrium conditions.

  7. Biox - Wikipedia

    en.wikipedia.org/wiki/Biox

    The first commercially available oximeters were produced by Hewlett-Packard, and were large, cumbersome, and expensive. These devices were of limited value because they were largely focused on research in the respiratory care field. Biox introduced the first pulse oximeter to commercial distribution in 1980. [4]

  8. Normal Pulse Oximetry Ranges and How to Take a Reading - AOL

    www.aol.com/lifestyle/normal-pulse-oximetry...

    Pulse oximetry is a noninvasive, painless test that measures the oxygen saturation level of your blood. Here’s how it works and what the readings mean.

  9. Vital signs - Wikipedia

    en.wikipedia.org/wiki/Vital_signs

    The pulse is the rate at which the heart beats while pumping blood through the arteries, recorded as beats per minute (bpm). [11] It may also be called "heart rate". In addition to providing the heart rate, the pulse should also be evaluated for strength and obvious rhythm abnormalities. [11] The pulse is commonly taken at the wrist (radial ...