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 ...

The human heart is the ultimate timepiece. And yet it's not always the most reliable one. So an estimated one million people per year get back-up systems, pacemakers, implanted to restore the heart's ...

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 ...

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 ...

A school teacher who aspired to become the first Asian with a pacemaker to scale Mount Everest died while making the attempt. Suzanne Leopoldina Jesus, a 59-year-old woman from India’s western ...

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 ...

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 ...

Recycled pacemakers can function as well as new devices, according to a new study. These used and reconditioned devices have the potential to increase access to pacemaker therapy in low- and ...

Europe’s oldest monarch, King Harald V of Norway, returned to work on Monday after a long sick leave following two surgeries to implant pacemakers, as the royal household said he would scale back his ...