Atrial fibrillation, or AFib, is the most common type of arrhythmia in adults. A heart arrhythmia is when your heartbeat has an abnormal rate or rhythm. This can mean it beats too slowly, too quickly, ...
Sometimes, an abnormal EKG reading is a normal variation in a person’s heart rhythm. In other cases, it may be due to an underlying heart condition or a reaction to medication. An electrocardiogram ...