Fig. 1From: Insights into the mechanism of idiopathic left ventricular tachycardia: a case report and literature reviewECG during ventricular tachycardia. ECG shows a monomorphic right bundle branch block tachycardia with a QRS duration of 120 ms (narrower than other forms of VT) right axis deviation, an appearance illustrative for fascicular ventricular tachycardia.Back to article page