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.

Millions of Americans live with the potentially dangerous condition called atrial fibrillation (AFib), but many may never get diagnosed. Dr. Vinay Mehta, medical director of cardiac electrophysiology ...

The Skeptical Cardiologist has been evaluating a demo version of AliveCor's new KardiaMobile 6L. I have been a huge advocate of Kardia's single-lead ECG and use it with great success in dozens of my ...

Fitbit has completed clinical trials of its own ECG feature and is looking to get FDA approval – as it launches a large scale study into Afib and irregular heart rate detection. The mass Fitbit Heart ...