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First, pause and take a deep breath. After we breathe in, our lungs fill with oxygen, which is distributed to our red blood cells for transportation throughout our our bodies. Our our bodies need numerous oxygen to perform, and wholesome folks have at least 95% oxygen saturation on a regular basis. Conditions like asthma or COVID-19 make it tougher for bodies to absorb oxygen from the lungs. This results in oxygen saturation percentages that drop to 90% or under, a sign that medical consideration is needed. In a clinic, doctors monitor oxygen saturation utilizing pulse oximeters - those clips you put over your fingertip or ear. But monitoring oxygen saturation at home multiple occasions a day may help patients keep watch over COVID signs, for instance. In a proof-of-principle research, University of Washington and University of California San Diego researchers have proven that smartphones are able to detecting blood oxygen saturation ranges down to 70%. This is the bottom value that pulse oximeters ought to be capable of measure, as really useful by the U.S. |
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