Atrial Fibrillation Animation The animation below shows atrial fibrillation. Click the "start" button to play the animation. Written and spoken explanations are provided with each frame. Use the buttons in the lower right corner to pause, restart, or replay the animation, or use the scroll bar below the buttons to move through the frames. The animation shows how the heart’s electrical signal begins in a different place in the heart, causing the atria to beat very fast and irregularly. Source:
National Heart, Lung and Blood Institute |