Tiffany Kinyua is a psychology major with a minor in biology and she is a 2025-26 health care ethics intern at the Markkula Center for Applied Ethics at Santa Clara University. Views are her own.

The patient was in his 60s, an African American man with emphysema. The oximeter placed on his fingertip registered well above the 88% blood oxygen saturation level that signals an urgent risk of ...

(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 ...

Which pulse oximeter is best? Before the outbreak of the COVID-19 pandemic, most people had likely never heard of a pulse oximeter. Now, this handy, potentially life-saving device has become ...

As a triple threat of respiratory illnesses – flu, Covid-19 and respiratory syncytial virus, known as RSV – sweeps the United States, emergency departments are using one small tool more than usual to ...

A portable device used to detect blood oxygen levels revolutionized the medical field 50 years ago and is now receiving essential updates Efforts to improve the accuracy of pulse oximetry readings for ...