At times it can be difficult to distinguish "SVT with aberrancy" from ventricular ... This is not the case in the QRS complex on this ECG, except for the one beat in lead V1 towards the end ...
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 ...