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 oxygenated …

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, picks up oxygen in the …

There are two main ways to measure or test blood oxygen levels: through a blood draw test and through pulse oximetry (using an oximeter). A blood draw test provides much more information about your …

Mar 28, 2021 · When measured by arterial blood gas analysis, a typical healthy O2 saturation is generally between 75-100 mm Hg. [2] If one or both of your oxygen saturation readings fall below …

Feb 24, 2022 · Doctors and other healthcare professionals use a small device called a pulse oximeter to measure oxygen saturation levels. These levels indicate the percentage of oxygen the hemoglobin in …

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 very precise and …

Sep 1, 2022 · Oxygen saturation (O2Sat): Measures the amount of hemoglobin in your blood. Hemoglobin is a protein in your red blood cells that carries oxygen from your lungs to the rest of your …

Feb 25, 2021 · Oxygen saturation measures the percentage of oxyhemoglobin (oxygen-bound hemoglobin) in the blood, and it is represented as arterial oxygen saturation (SaO 2) and venous …

Aug 9, 2025 · In medical reports, “SAT” often refers to oxygen saturation, a measure indicating the percentage of hemoglobin binding sites in the blood that are occupied by oxygen. Hemoglobin, a …

Jan 29, 2026 · This page includes the following topics and synonyms: Oxygen Saturation, O2 Sat, Pulse Oximeter, Pulse Oximetry, Oxyhemoglobin Saturation, Arterial Blood Oxygen Content, CaO2, …