Specialized pacemaker cells are found naturally in the heart. But if pacemaker cells go awry, the heartbeats slow down, causing fainting or even sudden death. Patients with slow heartbeats who are ...

A pacemaker may be useful for atrial fibrillation (AFib) involving a slow heart rate or other heart conduction disorders. However, doctors may recommend lifestyle changes to manage AFib before a ...

Cardiac pacemakers are limited by device-related complications, notably infection and problems related to pacemaker leads. We studied a miniaturized, fully self-contained leadless pacemaker that is ...