Fitbit announced this morning the launch of a new atrial fibrillation research study aiming to enroll hundreds of thousands of fitness-tracker and smartwatch owners. Called the Fitbit Heart Study, it ...

AliveCor has received an additional FDA 510(k) clearance, this time for an algorithm that allows its smartphone ECG to detect atrial fibrillation -- an abnormal heart rhythm that isn't always ...

Fitbit launched a large-scale study to test the efficacy of its technology in identifying irregular heart rhythms, which could indicate potential cases of atrial fibrillation. Fitbit said it plans to ...