INJURY to the invisible subendocardial conduction system during surgical closure of congenital defects in the ventricular septum is an uncommon but extremely grave complication. 1,2 Impalement of ...

Researchers have identified bi-allelic variants in the POPDC2 gene as the cause of a rare inherited cardiac syndrome characterized by sinus node dysfunction, atrioventricular (AV) conduction defects ...

Cambridge, UK - Reduced activity in the cardiac sodium channel appears to be responsible for several conduction defects that can cause various arrhythmias, a new study in mice shows. The findings, ...

As the 12 leads of the same tracing show above, there is a typical rsR' pattern in V1, which is diagnostic of RBBB. In leads I and aVL of this tracing, the wide QRS complexes are made of a broad S ...

keyboard The American College of Cardiology, the American Heart Association, and the Heart Rhythm Society have released a guideline on the evaluation and management of patients with bradycardia and ...