Introduction Different morphologies of focal right ventricular (RV) tachycardia displaying left or right axis deviation of the QRS complex imply 2 distinct arrhythmic sources and raise suspicion of underlying structural… Click to show full abstract
Introduction Different morphologies of focal right ventricular (RV) tachycardia displaying left or right axis deviation of the QRS complex imply 2 distinct arrhythmic sources and raise suspicion of underlying structural heart disease. A single RV idiopathic focal source in the distal right bundle branch (RBB) giving rise to 2 apparently distinct ventricular tachycardia (VT) types with the opposite QRS axes due to alternating exits from the source has never been reported.
               
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