An Iowa City software development company is launching an application Friday that will help train medical professions to read basic electrocardiogram (EKG) test results. Single Sail Software's ...

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

The human heart has a natural pacemaker in the sinus node or the sinoatrial node, which is a group of cells that trigger electrical signals to stimulate the rhythmic contraction of the heart. In 1958, ...

The rhythm is either sinus rhythm or not sinus rhythm. Sinus rhythm refers to the origination of the electrical activity coming from the sinus node — also known as the sinoatrial node, or SA node.

Having an accelerated junctional rhythm occurs when the atrioventricular node in your heart beats too quickly. It happens as a result of damage to your heart’s primary natural pacemaker. There’s no ...

An abnormal heart rhythm, also known as an arrhythmia, occurs when the heart beats too fast, too slow, or irregularly, which can be caused by various factors affecting the heart’s complex system.