Balance athletic goals with arrhythmia risk: match the device model and sensor to the sport, and use stress testing to set detection zones and avoid inappropriate therapy.

One part of the investigation into the disappearance of "Today" show host Savannah Guthrie's mother focuses on the missing ...

An expert tells PEOPLE why pacemakers have Bluetooth technology, and how it can help locate Savannah Guthrie’s missing mother ...

DEAR DR. ROACH: Do people with pacemakers need to be concerned about wireless devices? -- B.L. ANSWER: In most cases, there is very little risk to a pacemaker from wireless devices. However, there are ...

Researchers at Northwestern University just found a way to make a temporary pacemaker that’s controlled by light—and it’s smaller than a grain of rice. A study on the new device, published last week ...

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 world’s tiniest pacemaker — smaller than a grain of rice — could help save babies born with heart defects, say scientists. The miniature device can be inserted with a syringe and dissolves after ...

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 ...