Dr. Hugh Calkins answers the question: 'Atrial Fibrillation vs. Atrial Flutter?' — -- Question: My doctor told me I sometimes have atrial fibrillation and at other times have atrial flutter. What ...

When your electrical system is working normally, the two upper chambers of the heart (atria) contract and pump blood into the two lower chambers (ventricles) in a well-coordinated way. This results in ...

What Is a Wandering Atrial Pacemaker? A wandering atrial pacemaker is a rare form of a condition called arrhythmia. That's a problem with your heartbeat. It can happen anytime, even when you’re ...

Please provide your email address to receive an email when new articles are posted on . Dronedarone was associated with lower incidence of permanent atrial fibrillation/atrial flutter, more return to ...

Hamilton, ON - Atrial tachyarrhythmias in the absence of clinical atrial fibrillation occur frequently among patients with pacemakers and are associated with a significant increase in the risk for ...

Single-chamber ventricular leadless pacemakers do not support atrial pacing or consistent atrioventricular synchrony. A dual-chamber leadless pacemaker system consisting of two devices implanted ...

The human heart is a highly complex pump made of muscle, complete with its own electric power system, supplying the energy and oxygen it needs to function. The heart’s pumping action is regulated by ...