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

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

    The gold standard and most accurate way of testing whether a person has normal oxygen levels is to stick a needle into a person’s wrist and draw blood. An arterial blood draw, as it’s called ...

  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. Masimo - Wikipedia

    en.wikipedia.org/wiki/Masimo

    Pulse oximetry uses two light emitting diodes (LEDs), one red and one infrared, to measure the absorption of light and translates that into the percentage of hemoglobin molecules that are bound to oxygen, which is called arterial oxygen saturation (SpO 2). Conventional pulse oximetry assumes that arterial blood is the only blood moving ...

  6. 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 ...

  7. Monitoring (medicine) - Wikipedia

    en.wikipedia.org/wiki/Monitoring_(medicine)

    1. Pulse oximeter 2. Non-invasive blood pressure monitoring 3. Inspired and expired oxygen, carbon dioxide, nitrous oxide and vapour 4. Airway pressure 5. A nerve stimulator whenever a muscle relaxant is used 6. Temperature (pre-op) and for any procedure >30 min anaesthesia duration B. Recovery from anaesthesia. 1. Pulse oximeter 2.

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