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.

Federal health officials are proposing changes to make sure medical devices that measure oxygen levels are working for patients of color FILE - A health worker uses a pulse oximeter to check the ...

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.