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.

The Food and Drug Administration's recommendations apply to pulse oximeters, which are clip-on devices used in hospitals and medical clinics to ensure patients are getting enough oxygen.

A home pulse oximeter is an easy and painless way to see if your body is getting enough oxygen. Fingertip pulse oximeters gauge blood oxygen levels by clipping onto your finger, shining a light ...

The pulse oximeter market has emerged as a cornerstone in the healthcare sector, driven by the rising awareness of health monitoring and the growing demand for non-invasive diagnostic tools. This ...

But her request for supplemental oxygen while hospitalized was denied, Starr said, because readings from a pulse oximeter on her finger falsely indicated that she was getting plenty of air on her own.

The Food and Drug Administration’s recommendations apply to pulse oximeters, which are clip-on devices used in hospitals and medical clinics to ensure patients are getting enough oxygen.