An ectopic heartbeat is a heartbeat that occurs outside of the normal heart rhythm. The most common type of ectopic heartbeat is an atrial ectopic heartbeat, which is a heartbeat that originates in the atria (the upper chambers of the heart). Other types of ectopic heartbeats include ventricular ectopic heartbeats (a heartbeat that originates in the ventricles, the lower chambers of the heart) and junctional ectopic heartbeats (a heartbeat that originates in the area where the atria and ventricles meet). Many people who have an ectopic heartbeat do not have any symptoms. When symptoms do occur, they may include palpitations, shortness of breath, lightheadedness, or chest pain. Ectopic heartbeats can be caused by a variety of factors, including heart attack, heart failure, valvular heart disease, and electrical problems in the heart. Treatments for ectopic rhythm include medications, electrical cardioversion (shock), and surgery. Many people who have an ectopic heartbeat do not ha...