Millions of people worldwide live with a pacemaker that regulates their heartbeat, but exactly what are these devices and how do they work? Pacemakers can save the lives of heart patients by ...

The sinoatrial (SA) node is the natural pacemaker of the heart. It generates electrical impulses that cause the heart’s chambers to contract, setting the heart rate. The SA node typically generates 60 ...

The U.S. Food and Drug Administration has cleared a minimally invasive pacemaker-implant system from Medtronic that attaches to the inside of the heart in a way that some physicians believe is more ...

A pacemaker is a small electronic device that helps keep the heart beating regularly. It can represent a life-changing treatment for heart conditions such as arrhythmias. It is generally not too ...

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 ...

In a new study, published today (12 July) in Nature, researchers have produced the most detailed and comprehensive human Heart Cell Atlas to date, including the specialized tissue of the cardiac ...

Pacemakers make life better for many people with heart problems, but in some patients, they put so much strain on the heart that they actually trigger heart failure symptoms. Electrophysiologists and ...

During an average lifetime, the heart beats more than 2 billion times. To you, it might just be a steady “lub-dub” that speeds up under pressure and slows as you drift to sleep. But behind that rhythm ...

The cardiac pacemaker harmlessly dissolves over the course of 35 days. (Courtesy: Northwestern University) Temporary cardiac pacemakers provide essential pacing for patients with short-term heart ...

MELVILLE, N.Y., August 4, 2021 -- The cardiac pacemaker of the future could be powered by the heart itself, according to researchers at Shanghai Jiao Tong University. During the AIP Publishing ...

Well, this is kind of a trick question. Your heart is actually a muscular organ. An organ is a group of tissues that work together to perform a specific function. In the case of your heart, this ...