Dr. Takuo Aoyagi, a Japanese bioengineer, was the first to invent pulse oximetry in 1974. 2 The pulse oximeter is based on the light absorption characteristics of hemoglobin at different wavelengths.

Devices that measure oxygen levels in the blood don’t work as well in people with dark skin. Researchers want to change that. This article first appeared in The Checkup, MIT Technology Review's weekly ...

(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 ...

Like many people who are Black, Kimani Toussaint was concerned when he learned that the pulse oximeters relied on so heavily by physicians to treat and monitor Covid-19 patients didn’t work as well on ...

Pulse oximeters designed for home use have been available for some time. But in recent years, their popularity has grown as people increasingly prioritize wellness and actively seek convenient ways to ...

The use of a medical device called a pulse oximeter, which measures blood oxygen levels, has increased considerably since the start of the COVID-19 pandemic. That’s in part because it’s possible for ...

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 gauge ...