AFib causes your heart to beat abnormally, which is a type of arrhythmia, but there are treatments that can help. Atrial fibrillation (AFib) is a problem with your heart's electrical activity.

These include blood thinners to prevent clots that could lead to stroke and surgery to stop faulty electrical signals in the heart. "There's high demand to fix atrial fibrillation," said Ellinor ...