A 76-year-old woman with known ischemic cardiomyopathy, a left ventricular ejection fraction of 25%, and a previously inserted pacemaker presents to her cardiologist concerned that there is a problem ...

Boston Scientific announced multiple recalls but has said its battery issues were limited. One internal test in 2025 found batteries with an “extremely high failure rate.” Credit...Illustration by Mel ...

About 3 million Americans live with cardiovascular implantable electronic devices—commonly known as pacemakers. These small electronic devices implanted in the chest or abdomen are typically used to ...

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 ...

The sinoatrial node is "part of the heart, but a very specialized part of the heart," Mark Anderson told BioWorld Today. The cells that make up the pacemaker are different from normal cells, he ...

A biventricular pacemaker is a device that can help the heart beat more efficiently when a person has heart failure or an irregular heartbeat. When a person has heart failure or an irregular heartbeat ...

A pacemaker may be useful for atrial fibrillation (AFib) involving a slow heart rate or other heart conduction disorders. However, doctors may recommend lifestyle changes to manage AFib before a ...

Gladys Knepper, at 93, had a morning routine that never wavered. She woke up at 6 and made her bed. She got a pot of coffee going and went outside to pick up her copy of the Dubuque Telegraph Herald.

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 ...