In the U.S., atrial fibrillation (AF), a heart condition that causes an irregular heartbeat in the upper chambers of the heart, affects up to one in three people in their lifetime. Significant ...

The S1 heart sound is two of your heart valves closing. It's the first sound doctors can hear with a stethoscope. Learn what ...

controlling heart rhythm, or preventing blood clots. Share on Pinterest Marc Tran/Stocksy United Atrial fibrillation (AFib) is the most common type of arrhythmia– an abnormal heart rhythm.

As has happened with you, not everyone with A-fib develops symptoms. Symptoms can include a fast and irregular pulse, a fluttery sensation in the chest, general fatigue, unusual fatigue when ...

Cardioversion is a common treatment for atrial fibrillation (AFib). AFib is a condition when the upper chambers of the heart, called atria, beat in an abnormal way. This puts the upper chamber out ...

MURRAY, Utah (ABC4 Utah) – A new study by researchers at Intermountain Health in Salt Lake City finds that 40 percent of ...