Dec 18, 2025 · Oxygen saturation measures how much oxygen your red blood cells are carrying—specifically, the percentage of hemoglobin bound to oxygen. Blood becomes …

Your blood oxygen level (blood oxygen saturation) is the amount of oxygen that's circulating in your blood. It can be measured with a blood test or a pulse oximeter.

Sep 25, 2025 · Oxygen levels can be measured with a pulse oximeter, often placed on a finger or ear, that can measure oxygen saturation (SpO2) peripherally in the body. Usually, this is the …

Oxygen saturation (symbol SO2) is a relative measure of the concentration of oxygen that is dissolved or carried in a given medium as a proportion of the maximal concentration that can …

Aug 18, 2025 · Oxygen saturation, or O₂ Sat, is an important vital sign that shows what percentage of a patient’s hemoglobin is carrying oxygen. Hemoglobin, found in red blood cells, …

When you start oxygen therapy or begin monitoring your health with a pulse oximeter, you’ll hear the term oxygen saturation (often shown as SpO₂). But what does that number actually mean …

Dec 18, 2025 · Blood oxygen levels refer to the amount of oxygen circulating in the blood. Ideally, this level should be between 95-100%.

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.

Oxygen saturation measurement determines the percentage of oxygen in your blood, commonly referred to as SpO2. This percentage reflects how much oxygen your red blood cells are …

Sep 1, 2022 · Oxygen saturation is the fraction of oxygen-saturated hemoglobin relative to total hemoglobin (unsaturated + saturated) in the blood. The human body requires and regulates a …