O2 sat

What does "O2 sat" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.

Explanation

"O2 sat" is short for oxygen saturation. It's a measure of how much oxygen is in a person's blood. The body needs oxygen to function properly, and this measurement helps doctors understand if a person's body is getting enough. If the oxygen saturation is too low, it could mean that the person is not breathing properly or their body isn't able to use the oxygen correctly.

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