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A dangerously low oxygen degree-normally beneath 92%-could cause shortness of breath, confusion, chest pain, or fainting. It’s typically triggered by lung or coronary heart circumstances like COPD, asthma, or heart abnormalities. Treatment might embody oxygen therapy, medications, or hospital care relying on the trigger. Always search help straight away if your oxygen drops abruptly or stays low. Oxygen saturation measures how a lot oxygen your purple blood cells are carrying-specifically, the proportion of hemoglobin certain to oxygen. Blood turns into oxygenated in the lungs, where it picks up oxygen after which circulates it to the remainder of the physique. A traditional resting oxygen saturation stage for a healthy person at sea level is often between 95% and 100%. This implies your organs and tissues are receiving enough oxygen to work as they need to. At higher elevations, ranges may be barely lower. When oxygen saturation drops beneath this vary, much less oxygen reaches your muscles, brain, and other organs.
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