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 ...

Researchers studying how a usually benign virus attacks the human heart with sometimes fatal consequences determined that the virus disrupts the heart’s electrical system – and with dual impacts not ...

This technology from Corify Care records the heart’s electrical activity in real time, speeding diagnosis and improving ...

An electrocardiologist, also known as a cardiac electrophysiologist, is a cardiologist who specializes in the electrical system of the heart. These doctors receive the same education and training as a ...

Sudden cardiac death resulting from fibrillation -- erratic heartbeat due to electrical instability -- is one of the leading causes of death in the United States. Now, researchers have discovered a ...

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 ...