It is the level of oxygen-saturated hemoglobin in correspondence to total hemoglobin in the blood. Maintaining a balanced and normal blood oxygen level is crucial to both adults and childrens.

Low oxygen saturation, often indicated by a low SpO2 reading, means that there is a lower percentage of oxygen in your blood than what is considered normal for your age and health.

Adults require high oxygen levels the same as children, so around 95 to 100 percent. Anyone with lower saturation levels may have an issue with their lungs and seek treatment.

The normal blood oxygen level varies between 75 and 100 millimeters of mercury (expressed as mmHg), just like you are taking a blood pressure measurement and there is special equipment for doing so.

Checking blood oxygen levels and temperature is essential for COVID-19 patients who are under home isolation. Here are some FAQs on oxygen levels and what to do if your oxygen levels are low.

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