Share on Pinterest FluxFactory/Getty Images If you have atrial fibrillation (AFib), which is an irregular heart rate, you may feel a fluttering in your chest, or it may seem as if your heart is ...

A new study by researchers at Intermountain Health in Salt Lake City finds that 40 percent of newly diagnosed heart failure patients also have atrial fibrillation – a combination of cardiac disorders ...

Adding an extra hour every week of physical activity may lower the chance of developing the most common type of irregular heartbeat (arrythmia) by 11 percent, a new study shows.