Disorders in the heart's electrical system can lead to arrhythmias, or an abnormal heart rhythm. There are many types of arrhythmias and they're classified by where they occur in the heart and their pattern of abnormality. This segment will explain the arrhythmia known as Atrial Fibrillation.
Heart palpitations are a symptom. It's the feeling you have when your heartbeat seems to be racing, pounding, skipping, or fluttering. Learn about what causes them and how they're treated.
Atrial flutter is a type of arrhythmia. It causes the heart to beat faster than normal. Atrial flutter can increase the risk for certain serious problems, such as stroke.
