A pacemaker is a small, battery-powered device that controls the heartbeat. Our heartbeats are controlled by a highly efficient, biological electrical system that ensures our heart steadily pumps ...

Defibrillators and pacemakers help the heart maintain a regular rhythm. Defibrillators deliver a shock if the heart goes into arrhythmia. Pacemakers use electrical impulses to keep the heart from ...

Please provide your email address to receive an email when new articles are posted on . The My Heart Your Heart study compared reconditioned pacemakers with that of new pacemakers among patients in ...

During an average lifetime, the heart beats more than 2 billion times. To you, it might just be a steady “lub-dub” that speeds up under pressure and slows as you drift to sleep. But behind that rhythm ...

Two pacemaker studies: One features an upgrade that engages both the atrium and the ventricle of the heart, and the other highlights the need to design smaller catheters to serve children with slow ...