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  1. Pulse Oximetry: Uses, Readings, and How It Works - Healthline

    Sep 3, 2024 · A pulse oximeter measures your blood oxygen levels and pulse. A low level of oxygen saturation may occur if you have certain health conditions. Your skin tone may also …

  2. Pulse Oximetry Test: Uses, Procedure, Risks, Results - WebMD

    Oct 23, 2024 · Pulse oximetry is the name of the test using the pulse ox. It's a quick, inexpensive, and needle-free way to measure the amount of oxygen in your blood. What does a pulse …

  3. Pulse Oximetry: MedlinePlus Medical Test

    The light may make your fingertip look red, but you won't feel any pain. A sensor on the oximeter measures the amount of light. That measurement is used to figure out your blood oxygen …

  4. Is Your Pulse Oximetry Reading Normal? - Verywell Health

    Dec 7, 2025 · Find out how to use a pulse oximeter to check your oxygen levels and what different readings could indicate about your health.

  5. Amazon.com: Oximeter

    Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor (SpO2) with Pulse Rate Measurements and Pulse Bar Graph, Portable Digital Reading LED Display, Batteries and …

  6. Blood Oxygen Levels Explained: How to Read an Oximeter Correctly

    A pulse oximeter and blood oxygen saturation monitor is a non-invasive device that measures the oxygen saturation level (SpO2) in your blood and your pulse rate.

  7. Oximetry Definition, Test, Types, Range, Pulse Readings

    Learn about oximetry, a procedure that measures the amount of oxygen in the blood. This test is frequently performed to measure the function of the heart and lungs. Discover pulse …

  8. A How-To Guide for Checking Your Oxygen Levels at Home

    Oct 17, 2025 · Do you need to monitor the level of oxygen in your blood? Learn how to use a pulse oximeter at home to check your O2 saturation easily and painlessly.

  9. Pulse Oximetry - American Lung Association

    If you have a symptom of shortness of breath or a known lung or heart condition, your doctor may recommend use of a pulse oximeter. The pulse oximeter, or Pulse Ox, is an electronic device …

  10. Best Pulse Oximeters of 2025 - AARP

    Dec 4, 2025 · After researching and hand-testing devices, we picked the top three based on accuracy, user-friendliness and price. Check out which pulse oximeters made the cut. The …