S0.0.00, S0.0.00  References {#joa000000-sec-0000} ----------  S0.0.0. Ouyang F, Fotuhi P, Ho SY, et al. Repetitive monomorphic ventricular tachycardia originating from the aortic sinus cusp: electrocardiographic characterization for guiding catheter ablation. *J Am Coll Cardiol*. 0000;00:000--0.  S0.0.0