There are three types of second degree heart block, also called atrioventricular (AV) block. In type I the signal sometimes does not reach the ventricles, causing skipped beats. It is often benign and ...

Complete heart block means that there’s a complete separation of electrical activity between the upper and lower chambers of the heart. Without prompt medical attention, it can be fatal. Your heart ...

First-degree ventricular (heart) block affects the electrical signal that makes the heart beat. It causes a delay in a portion of the heart beat and may lead to a slow heart beat. Healthcare ...

First-degree heart block is the mildest type and often requires no treatment. Third-degree heart block is the most severe and often needs a pacemaker to regulate the heartbeat. Many different causes ...

New information about the biology behind the heart's electrical activity has been revealed in a major genome study with the largest sample size ever of a project of this type. These molecular ...

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 ...

Adults with congenital heart defects were more likely to experience an abnormal, irregular heartbeat, finds a new study. Almost 1 in 5 adults with congenital heart disease living in Israel had or ...

Alicia D'Souza receives funding from The British Heart Foundation. Endurance athletes (such as triathletes, footballers, or marathon runners) can be some of the healthiest people in society. Yet ...

Almost 1 in 5 adults with congenital heart disease living in Israel had or developed an abnormal heart rhythm/arrhythmia during a five-year study, according to new research published today in the ...