Ventricular tachycardia refers to a wide QRS complex heart rhythm — that is, a QRS duration beyond 120 milliseconds — originating in the ventricles at a rate of greater than 100 beats per minute.

A rate-dependent RBBB can, at times, be mistaken for ventricular tachycardia. The Brugada Criteria can be helpful in distinguishing these two entities. Lastly, VT itself can sometimes have a RBBB ...

A novel prediction model has been proposed to differentiate LPF-VT from supraventricular tachycardia with RBBB and left anterior fascicular block. A diagnosis of LPF-VT should be considered if at ...