A healthy blood oxygen level is 75–100 mm Hg, or 95–100%. Low blood oxygen levels, known as hypoxemia, may be a cause for concern. Your blood oxygen level is a measure of how much oxygen your red ...
digiDoc Pulse Oximeter is an iPhone app that uses your camera to measure your heart rate and your oxygen level. Apps that measure your heart rate are a dime a dozen, but this is one that combines ...
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