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.

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.

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 …

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.

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

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 …

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.

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.

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 …

Learn what pulse oximeter numbers mean for your oxygen levels and heart rate. Discover how to use this tool to monitor your breathing at home.