1218Targeting the hidden substrate unmasked by right ventricular extrastimulation improves ventricular tachycardia ablation outcome after myocardial infarction. (20th June 2017) - De Riva, M.; Naruse, Y.; Watanabe, M.; Wijnmaalen, AP.; Venlet, J.; Androulakis, AF.; Brouwer, C.; Schalij, MJ.; Zeppenfeld, K.