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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 affect your reading.

  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 oximeter …

  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 level. After …

  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 Carry Case Included

  6. 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 oximeters, the …

  7. 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.

  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 that …

  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 products and …