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Is Your Blood Oxygen Saturation Level Safe? Is Your Blood Oxygen Saturation Level Safe? Oxygen is significant to life. All of the tissues, organs, and cells in the physique require an uninterrupted provide of oxygen for their survival and operate. A selected quantity of oxygen is required by the physique to carry out optimally. This quantity, known as oxygen saturation, must be between 95% and 100%. But in people with chronic lung situations corresponding to asthma, chronic obstructive pulmonary disorder (COPD), and more not too long ago COVID-19, the degrees could drop under the desired ranges requiring immediate medical consideration. What's oxygen saturation? Oxygen saturation refers to the quantity of oxygen bound to the hemoglobin molecules in the red blood cells (RBCs). Hemoglobin is the iron-containing protein and pigment in the RBCs that binds with oxygen. Hemoglobin carries oxygen via the bloodstream to all of the cells, tissues, and organs of the physique. Oxygen saturation is expressed as arterial (SaO2) and venous (Sv02) oxygen saturation, and is an indicator of how well the oxygen from the lungs is distributed to all the cells.
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