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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 purple blood cells for transportation all through our bodies. Our our bodies need a variety of oxygen to perform, and wholesome folks have no less than 95% oxygen saturation all the time. Conditions like asthma or COVID-19 make it tougher for bodies to absorb oxygen from the lungs. This leads to oxygen saturation percentages that drop to 90% or under, an indication that medical consideration is required. In a clinic, medical doctors monitor oxygen saturation using pulse oximeters - those clips you place over your fingertip or ear. But monitoring oxygen saturation at dwelling a number of occasions a day may assist patients keep watch over COVID symptoms, for example. In a proof-of-precept research, University of Washington and University of California San Diego researchers have proven that smartphones are able to detecting blood oxygen saturation levels down to 70%. This is the lowest worth that pulse oximeters should be able to measure, as really helpful by the U.S. |
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