Daniel Moore was about 30 the first time it happened. At the end of a long, hot, stressful day, he chugged an ice-cold glass of milk. "It felt like a bunny rabbit trying to jump out of my chest," said ...

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 ...

Heart disorders can show up in many ways, but one of the most common is an irregular heart rhythm known as atrial fibrillation, or AFib. In this condition, the heart beats fast and inconsistently, ...