"Although absolute differences in readings were small, they can result in substantially higher rates of false negatives and ...

The doctors and nurses didn’t believe Tomisa Starr was having trouble breathing. Two years ago, Starr, 61, of Sacramento, California, was in the hospital for a spike in her blood pressure. She has ...

Clipped to a fingertip, a pulse oximeter uses light beams to analyze your heart rate and the amount of oxygen being carried in your bloodstream. Normal levels in otherwise-healthy adults range between ...

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Early in the pandemic, when COVID-19 patients were turning up at emergency rooms with dangerously low blood oxygen levels, many people rushed to add pulse oximeters to their home medicine cabinet. The ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

For many individuals who develop symptoms of the coronavirus, it's better to stay home than seek health care in person. But when you have a disease with so many unknowns, not having a nurse or doctor ...

Doctors say for most people they aren't needed -- and may even be a bad idea. Lung problems like pneumonia and respiratory failure can be some of the most severe symptoms of COVID-19. Knowing how your ...

Over the past two years, the pulse oximeter has become a crucial tool for tracking the health of COVID-19 patients. The small device clips onto a finger and measures the amount of oxygen in a ...