Chances are pretty good you’ve had a glowing probe clipped to your fingertip or earlobe in some clinic or doctor’s office. If you have, then you’re familiar with pulse oximetry, a cheap and ...

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 ...

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 ...