Pulse oximeter devices routinely overestimate blood oxygen levels in darker-skinned patients—a racial bias that can trigger downstream health harms for Black individuals, compounding well beyond any ...

Scientists have long known that pulse oximeters are less accurate when used for people with dark skin tones – and now, a new report offers some insight into just how much more inaccurate these ...

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 ...

A Grade 11 student won Canada's top teen innovation award in science by correcting a 35-year-old flaw in pulse oximeters that ...

Dark green nail polish, resembling the colour of Christmas trees, can lead to inaccurate readings in emergency and intensive care settings, according to a case study described by British intensive ...

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.

Although current pulse-oximetry technology cannot detect every cardiac defect, the rate of missed CCHD diagnoses is much higher when screening is based on physical examination alone. Health-care ...

If you’ve ever had a medical team investigating cardiac issues, you’ve probably had a bunch of electrodes stuck all over your chest and been hooked up to an electrocardiogram. This is the gold ...

Pulse oximeters work by sending light beams through someone’s finger to estimate the oxygen saturation of their blood and their pulse rate. Ongoing research has found that if these devices are not ...