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 ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Electrocardiograms, or ECGs, record the electrical activity of your heart. Randy Faris/The Image Bank via Getty Images Your ...

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Although it’s widely accepted that police use information from security devices or cellphone data to aid in tracking criminals, a new case has opened the possibility that police could use data that ...

Wireless or leadless pacemakers, commonly implanted in adults, may be a safe and effective short-term option for children with slow heartbeats, according to new research published today in Circulation ...

The new MyCareLink Smart Monitor from Medtronic, just approved by the FDA, enables patients with implantable pacemakers to use their smartphones to transmit secure data from their pacemakers to their ...

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 ...

As the search for Nancy Guthrie stretches into its third week, investigators are turning their attention to a half-dollar-sized device they hope could lead to a breakthrough in the case: the ...

A device that was supposed to have saved Judy Kiolbasa’s life ended up nearly killing her. Kiolbasa got a pacemaker in 1983 after doctors told her she would die without it. She endured a dozen ...

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 ...