From the Oura Ring to the Apple Watch to the Google Pixel — here's what the science really says about the accuracy of their health data ...

Heart rate is one of the most valuable physiological metrics for runners because it provides objective real-time insight into how hard your body is working. Unlike pace or distance, which are external ...

Myocardial ischemia, the primary driver of heart attacks, remains the leading cause of death and disability worldwide. Delays in diagnosis directly correlate with increased myocardial necrosis, higher ...

Google has submitted a new Fitbit heart monitoring feature to the FDA, which could automatically alert users to problematic heart rate rhythms. Fitbit is one of a handful of wearable tech companies ...

The RR intervals are regular (┌┐), at a rate of 90 beats/min. The QRS complexes are narrow and have a normal morphology and axis, so they are supraventricular. P waves are not seen initially, but a ...

Analog Devices is aiming at wearable patient monitoring devices with an analogue front-end for four vital signs: electrocardiogram, heart rate, blood-oxygen saturation and respiration rate. The chip, ...

A UK man credits the Apple Watch for saving his life after his heart stopped an astonishing 138 times in 48 hours. David Last, 54, was given the Apple Watch by His wife, Sarah for his birthday back in ...

A reference board lets engineers capture clean heart signals by combining ECG, motion, and mechanical heart sensing in one patch.

An occasional spike can happen during exercise, emotional stressor or after consuming caffeine a persistent high resting ...