Atrial fibrillation occurs when action potentials fire very rapidly within the pulmonary veins or atrium in a chaotic manner. The result is a very fast atrial rate — about 400 to 600 beats per minute.

The external assessment group (EAG) did a systematic review to identify evidence on the diagnostic accuracy and clinical effectiveness of using the lead‑I ECG devices to detect atrial fibrillation.

The Skeptical Cardiologist received an email last week from a patient with paroxysmal atrial fibrillation (Afib) saying she was having an episode, documented on her Apple Watch and Kardia device, but ...

On Friday, the Food and Drug Administration granted another 510(k) clearance to iRhythm Technologies for its AI-powered software system designed for use with Verily’s irregular pulse tracking watch.

The Fitbit Sense has brought ECG to the Fitbit range for the first time – and it’s one of the most powerful, medical-grade features going. ECG is a specialist medical grade sensor that resides within ...