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 ...

Any tachycardic rhythm with a left or right bundle branch block that is NOT ventricular tachycardia is considered "supraventricular tachycardia with aberrancy". This would even include sinus ...

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.

In this ancillary study of a larger RCT, we found a high incidence of ECG changes and arrhythmias ... one patient had a persistent accelerated junctional rhythm associated with prolonged hypotension.