Medically reviewed by Anisha Shah, MDMedically reviewed by Anisha Shah, MD Idioventricular rhythm ... in the AV node ...

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 ...

Background A routine sports evaluation identified constant alternation between a junctional and idioventricular rhythm in a 9-year-old child. During exercise testing, electrography demonstrated ...