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 ...

Vital signs, those fluorescent green numbers that beep, ding, and dash across black screens on the monitors in hospital rooms, have become a new source of angst during the coronavirus pandemic. One of ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

What Is a Pulse Oximeter? A pulse oximeter, or pulse ox, is an electronic device that can be attached to your forehead, fingers, nose, foot, toes, or ears. A nurse or medical assistant usually clamps ...

Fitbit users were surprised with an added feature on their wearable this week — the ability to check the variability of oxygen levels in their bloodstream. Users with any of Fitbit’s Sp02-enabled ...

The blood in your body delivers oxygen to all of your cells. When you breathe and draw fresh oxygen into your lungs, red blood cells bind with the oxygen and carry it through your bloodstream. On a ...

Monitoring your oxygen level with a pulse oximeter if you have COVID-19 can help determine if it falls too low. Low levels may need medical attention. COVID-19 is a respiratory infection. It can cause ...