An artificial pacemaker is a medical device which maintains an adequate heartbeat by delivering electrical impulses to the heart. They are indicated when the natural impulses (from the sinoatrial node ...

Almost all pacemakers use wires to send electrical signals that help your heart beat normally. Most patients will never experience problems or complications from these life-saving devices. But for a ...

In the normal heart, the lower chambers (ventricles) pump at the same time and in sync with the heart's upper chambers (atria). Cardiac resynchronization therapy (CRT), also called biventricular ...

In the normal heart, the heart's lower chambers (ventricles) pump in sync with the heart's upper chambers (atria). When a person has heart failure, often the right and left ventricles do not pump ...

Patients who require a new permanent pacemaker after TAVI do just as well with leadless devices out to 2 years as they do with transvenous pacemakers, according to an analysis of real-world data from ...