This is a snippet video from CardioVisual about atrial fibrillation, also known as AFib or AF, which is a type of irregular heartbeat. It is one of the many conditions, procedures and treatments detailed in CardioVisual. CardioVisual is a free heart-health app that helps doctors explain cardiovascular problems to patients, and helps patients understand what’s happening with their heart health. Download the free app for iOS here or for Android here. This video was provided to CardioVisual by the Alliance for Aging Research, one of our many valued collaborators.