Pulse Oximetry: Uses, Readings, and How It Works - Healthline
Sep 3, 2024 · In pulse oximetry, small beams of light pass through the blood in your finger, measuring the amount of oxygen. According to the British Lung Foundation, pulse oximeters do this by …
The 6 Best Pulse Oximeters for Home Use
Jan 30, 2026 · In this guide to the best pulse oximeters, we explain the top models, highlight standout features, and help you choose a product that’s accurate, comfortable, and easy to use at home. We …
Pulse Oximetry: Function, Method & Readings - Cleveland Clinic
Sep 23, 2025 · A pulse oximeter analyzes the light it shines through your finger. The device can tell how much oxygen is in your red blood cells by looking at the light a protein in those cells absorbs.
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.
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
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 …
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.
Pulse Oximeter: Uses and When To Monitor at Home - Health
Dec 7, 2025 · A pulse oximeter measures blood oxygen levels, often used to monitor lung disease like COPD. Devices may give inaccurate readings if you smoke.
Best Pulse Oximeters of 2026 - 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 …
Pulse Oximeter Readings Explained: What Numbers Are Normal ...
3 days ago · Learn what pulse oximeter readings mean, how to get accurate measurements, and when to seek help for low oxygen levels during colds and respiratory illness.