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 ...

Heart rate (HR) is an important and dynamic vital sign that is influenced by numerous inputs 4, and resting heart rate (RHR) is recognized as a biomarker and prognostic factor for overall mortality ...

It's not unusual to see researchers and DIYers find new uses for the Raspberry Pi, but the potential in this latest discovery is a doozy. A research team created a method for detecting heart rates ...