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 ...

One can examine the initiation and termination of tachycardia for ... contractions [PACs], premature ventricular contractions [PVCs], intermittent bundle branch block, or changes in cycle length).

Verapamil sensitive ventricular ... ventricular tachycardia that occurs with a structurally normal heart arising from the left posterior fascicle. This manifests as a right bundle branch block ...

A 30-year-old soldier was seen because of attacks of paroxysmal tachycardia for ... considered more comparable to ventricular ectopic beats than to bundle-branch block. The literature immediately ...

Following MI, arrhythmias such as ventricular tachycardia, ventricular fibrillation, atrioventricular block, and bundle branch block significantly increase mortality. Read the full story here.