Pulse oximeters measure the amount of light that passes through the skin as a way to estimate how much oxygen is in a patient’s red blood cells. Melanin, which absorbs light that passes through ...

The US Food and Drug Administration (FDA) has published draft guidance aimed at improving the performance of pulse oximeters across all skin colours, following research suggesting the medical devices ...

FILE - A health worker uses a pulse oximeter to check the oxygen saturation level of another after administering COVID-19 vaccine at a hospital in Gauhati, India, Jan. 21, 2021. (AP Photo/Anupam ...

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.

(CNN) — Years of research have showed that pulse oximeters yield less accurate readings for people with darker skin tones, and now the US Food and Drug Administration is proposing guidance to ...