Add Yahoo as a preferred source to see more of our stories on Google. The doctors and nurses didn’t believe Tomisa Starr was having trouble breathing. Two years ago, Starr, 61, of Sacramento, ...

As an emergency medicine physician, Dr. Owais Durrani sees this issue regularly first-hand: When he clamps a pulse oximeter onto a patient's fingertip to measure their blood oxygen levels, the small ...

Covid-19 made pulse oximeters an even more important tool for measuring the amount of oxygen in the bloodstream than they had been before. Widely used in hospitals and health systems, these small ...

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 ...