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 ...

Medically reviewed by Steffini Stalos, DO Key Takeaways If your oxygen level drops below 92%, seek medical help right away.Low oxygen can cause symptoms like chest pain, confusion, and shortness of ...

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.

First, pause and take a deep breath. When we breathe in, our lungs fill with oxygen, which is distributed to our red blood cells for transportation throughout our bodies. Our bodies need a lot of ...

A study led by biomedical scientist Erica Heinrich at the University of California, Riverside, highlights a critical gap in how clinicians detect and treat breathing distress (dyspnea), particularly ...