A Pulse Oximeter is a very useful and affordable medical device that clamps on one of your fingers. A typical pulse oximeter incorporates a quick and easy way of measuring your heart rate as well as ...

Pulse oximetry is a ubiquitous non-invasive medical sensing method for measuring pulse rate and arterial blood oxygenation. Conventional pulse oximeters use expensive optoelectronic components that ...

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 ...

How fast does your heart beat? It’s a tough question to answer, because our heart rate changes all the time depending on what we’re doing and how our body is behaving. However, [Ludwin] noted that ...