Can a Pulse Oximeter Save Your Life if You Have COVID-19?
From the Everyday Health website
Some people with the novel coronavirus have alarmingly low levels of blood oxygen, and they don’t even have a clue that their lives are in danger. They don’t appear to have any major trouble breathing, so they don’t realize how dire their situation may be.
The phenomenon has been raising concern among doctors, because these individuals typically need emergency medical attention to survive.
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