For decades, doctors and researchers have puzzled over a basic heart rhythm mystery: Why do women tend to have faster heartbeats while men are more likely to develop irregular rhythms like atrial ...

Junctional rhythm is an irregular heart rhythm that stems from a natural pacemaker in the heart known as the atrioventricular junction. The heart has several built-in pacemakers that help control its ...

One of the most widely used diagnostic tools in cardiology is the ECG machine, a device that records the electrical activity ...

A fundamental discovery reported in the March 1 issue of the journal Nature uncovers the first molecular evidence linking the body’s natural circadian rhythms to sudden cardiac death (SCD).

Arvind Sridhar does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Using computers to make a digital replica of the heart -- a digital heart twin -- can successfully identify problem areas deep in the heart muscle of people with a serious heart rhythm disorder, a new ...

Add Yahoo as a preferred source to see more of our stories on Google. A sudden onset of irregular heart rhythms can be disorienting. wildpixel/iStock via Getty Images Plus Atrial fibrillation, or ...