Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising or stressed ...

CHICAGO — One person’s used pacemaker is another person’s treasure. A program to refurbish used pacemakers could expand access to the lifesaving devices. In a clinical trial of nearly 300 people, ...

For a handful of patients who've received the first wire-free pacemaker, the results are still good after 18 months, researchers reported Wednesday. Unlike traditional pacemakers, the new device -- ...

Atrial fibrillation – a form of irregular heartbeat, or arrhythmia – leads to more than 454,000 hospitalizations and nearly 160,000 deaths in the United States each year. Globally, it is estimated ...

Like conventional pacemakers, tiny new leadless pacemakers are designed to work for about 12 years. But because these devices are placed inside the heart — as opposed to a cavity in the chest — tissue ...

Millions of people have benefited from pacemakers since the first one was implanted in 1958, but the basics facets of the design have remained unchanged. These ...

Researchers are reporting early success with a temporary heart pacemaker that simply disintegrates when it's no longer needed. So far the work has been limited to animals and human heart tissue ...

If you recently got a pacemaker due to an arrhythmia (an irregular heartbeat), heart failure, or bradycardia (a heart that beats too slowly), you might have concerns about getting back into exercise.