Normal blood oxygen levels mean that there is enough oxygen in your red blood cells to keep your vital organs and tissues functioning properly. You can easily check your blood oxygen levels with an ...

An SpO₂ reading of 94% is slightly below the usual range for a healthy adult at sea level. A pulmonologist explains what can cause the reading, when to repeat it and when medical attention is needed.

Proper blood circulation is considered essential for maintaining a healthy body and ensuring that all organs function correctly. Hemoglobin, a protein present in the blood, continuously delivers ...

Your fitness tracker is capable of monitoring all kinds of data. The problem is keeping track of what it all means. SpO2 is just one example of a lesser-understood metric that can provide insight into ...

I mentioned in a previous post that I had purchased a home pulse oximeter and had used it to monitor my oxygen saturation (SpO2) levels during the time I had COVID-esque symptoms recently. Personally, ...