Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.

Scientists have revealed that low-frequency ultrasound influences blood parameters. The findings suggest that ultrasound's effect ...

"If your oxygen starts getting low, below 88%, you'll start feeling a shortness of breath, or that you're working hard to take deeper breaths. But here, we're targeting physiologically normal ranges, ...