A junctional rhythm occurs when the electrical activation of the heart originates near or within the atrioventricular node, rather than from the sinoatrial node. Because the normal ventricular ...

Idioventricular rhythm may be seen with certain heart ... A faster than normal rate originating here is known as junctional tachycardia. This is a type of narrow complex tachycardia, with a ...

Electrocardiogram showing nonparoxysmal junctional tachycardia. Note the gradual ... from 635 to 670 milliseconds while the ectopic rhythm usurps the sinus rhythm at a more rapid cycle length ...

AV tachyarrhythmias consist of AVNRT, AVRT, nonparoxysmal junctional tachycardia, and junctional ectopic tachycardia. [15] Supraventricular arrhythmias may occur in the pre- and post-MI setting.