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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 ...

Given the rising number of COVID 19 cases in the country, there has been a surging demand for a pulse oximeter. Pulse oximeters are medical devices that monitor the oxygen level of a patient's blood ...

Rick Broida is the author of numerous books and thousands of reviews, features and blog posts. He writes CNET's popular Cheapskate blog and co-hosts Protocol 1: A Travelers Podcast (about the TV show ...