(CNN)-- Often when Dr. Thomas Valley sees a new patient in the intensive care unit at Michigan Medicine in Ann Arbor, he clamps a pulse oximeter on their finger -- one of the many devices he uses to ...

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 ...

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 ...

SAN FRANCISCO — The discovery that fingertip oxygen-measuring devices might contribute to health disparities because they appear to work less well on patients with darker skin has roiled the world of ...

Pulse oximeters, which measure oxygen levels in blood, are one of the most widely used medical tools. They are affordable, portable, and easy to use, but they have a major drawback: Numerous studies ...