Fact Sheets

  • Atrial Fibrillation

    Atrial fibrillation (AFib) is an erratic and often fast beating of the upper part of the heart. The main job of this part of the heart is to push blood into the lower section of the heart. The heart then pushes blood out to the body. AFib can decrease the amount of blood that reaches the lower section of the heart. Less blood in the heart means there will be less blood pumped out to the body. Blood can also become trapped and pool in the upper heart. This increases the risk of blood clots and stroke. AFib may be: