At 33, Shavini Fernando was given just two years to live—the result of a late-diagnosed hole in her heart, which caused her to develop a life-threatening condition called Eisenmenger syndrome. The Sri Lanka native, who came to the US to seek treatment at Johns Hopkins, was told by doctors that she couldn’t fly, meaning she wasn’t able […]

The Coronavirus Disease 2019 (COVID-19) pandemic has caused an increase in the use of pulse oximeters, and a recent report (Sjoding et al.External Link Disclaimer) suggests that the devices may be less accurate in people with dark skin pigmentation.

The validity of wearable photoplethysmographic heart rate monitoring was tested on forty-seven healthy participants performing seven, 6-min exercise bouts and a valid skin type scale.