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 ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. The heart is an incredible machine, pumping blood to fuel ...

Second-degree heart block is a potentially serious but treatable condition affecting the heart’s electrical system. Treatment may require a pacemaker to stabilize the heart’s rhythm. Electrical ...

Cardiologists at University of Utah Health use this therapy for people with heart rhythm disorders (arrhythmias), including atrial flutter and atrial fibrillation (AFib). Your heart’s electrical ...

The beat of your heart can tell you a lot. It may race on your way to a first date. It can speed up when you’re too stressed or have had too much coffee. Or maybe it slows down during a blissful visit ...

Also known as complete heart block, third-degree heart block is the most serious type of heart block. Considered a medical emergency, it can be fatal without prompt treatment. The steady beating of ...

It is still elusive to what extent interactions between different cell types of the heart influence the normal heart rhythm and possibly trigger life-threatening arrhythmias. A new measurement method ...

Less than a year after the first-ever transplant of a pig heart into a human patient, doctors are reporting that the heart showed unexpected changes in its electrical system before the recipient ...

Environmental phenols are found in a wide range of common consumer products. They include preservatives in packaged foods, parabens in shampoos and bisphenol A (BPA) in plastic dishware, so humans ...