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What does blood oxygen level mean? Your blood oxygen level (blood oxygen saturation) is the amount of oxygen you have circulating in your blood. Oxygen is essential to life, and our bodies need a certain amount of oxygen to function properly.
A normal range for your blood oxygen level is between 92% and 100%. SpO2 readings can fluctuate based on activity, overall health, and other factors. Your body relies on a coordinated effort between your heart, lungs, and circulatory system to maintain a healthy blood oxygen level.
A healthy blood oxygen level, according to ABG test results, ranges between 75 and 100 mm Hg. This range indicates no abnormalities in a person’s blood oxygen level.
“The normal oxygen saturation is generally at or above 95% while [ . . . ] at rest,” explains Luis Javier Peña-Hernández, M.D., a pulmonologist practicing lung and sleep medicine at LungMD,...
A healthy blood oxygen level is 75–100 mm Hg, or 95–100%. Low blood oxygen levels, known as hypoxemia, may be a cause for concern.
Normal arterial oxygen pressure (PaO2) measured using the arterial blood gas (ABG) test is approximately 75 to 100 millimeters of mercury. Understand levels, chart, and hypoxemia.
A normal blood oxygen saturation level is in the range of 95–100%. If it falls below 91%, it requires immediate medical attention. Doctors consider a reading of 91–94% as borderline. Doctors and other healthcare professionals use pulse oximeters to measure blood oxygen saturation.
Generally, 92% or more of your blood should carry oxygen to keep your body running smoothly. Most healthy adults have oxygen saturation levels between 95% and 100%, though people with lung...
A healthy level of oxygen in the arteries is about 75 to 100 millimeters of mercury (mm Hg). Hypoxemia is any value under 60 mm Hg. Levels of oxygen and the waste gas carbon dioxide are measured with a blood sample taken from an artery. This is called an arterial blood gas test.
For most healthy adults and children, a normal oxygen saturation level is between 95% and 100%. Hypoxemia occurs with lower levels of oxygen in the blood and can lead to complications or even death at dangerously low levels below 90%.