Tools that measure and record heart rate, aka pulse, continuously for at least an exercise session. There are lots<ref>https://iotool.io/extensions/sensors/heart-rate-bluetooth-low-energy-4-0-sensors-1</ref> and lots of such devices and so not all have been evaluated.
+
Tools that measure and record heart rate, aka pulse, continuously for at least an exercise session. There are lots<ref>https://iotool.io/extensions/sensors/heart-rate-bluetooth-low-energy-4-0-sensors-1</ref> and lots<ref>https://forum.quantifiedself.com/t/reliable-wearable-ecg/2653</ref> of such devices and so not all have been evaluated.