FDA clears first personal ECG device to detect three heart arrhythmias
 

To date, personal ECG devices have only really detected one kind of heart arrhythmia: atrial fibrillation. While that's helpful, it doesn't cover other conditions that could be just as dangerous. You might not be left wondering for much longer. Al...

https://www.engadget.com/2019/04/23/...a-tachycardia/