Atrial fibrillation, a rapid, irregular heartbeat that can lead to stroke or sudden death, is three times more common than previously thought, affecting nearly 5% of the population, or 10.5 million ...

Share on Pinterest New research suggests that there may be more than 10.5 million people in the United States living with atrial fibrillation, that is, three times more cases than experts had ...

Atrial fibrillation, or AFib, is a fast and irregular heart rhythm that, left untreated, can lead to blood clots, stroke and heart failure. It's the most common type of arrhythmia, a potentially ...

The body needs the mineral potassium to regulate muscle contraction. The heart, being a muscle, may respond to changes in potassium levels by developing an irregular heartbeat, or arrhythmia. Atrial ...

Atrial fibrillation (AFib) has begun affecting younger populations, raising questions not only about why this is happening but also about how it can be treated ...