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 ...

Wide complex tachycardias are more likely to be ventricular tachycardia (VT) than supraventricular tachycardia with aberrancy, and in this case, Brugada's criteria favor VT (no RS complex in any ...

Here is an example of polymorphic VT: Ventricular tachycardia can be difficult to distinguish from supraventricular tachycardia, or SVT, with aberrancy. The Brugada Criteria are most commonly used ...