Rodrigues, T. E. GraçaCortez-Dias, NunoSilva, Gustavo Lima daAgostinho, João R.Aguiar-Ricardo, InêsRigueira, JoanaNunes-Ferreira, AfonsoSantos, RuiCunha, N.Morais, P.Pereira, S.António, Pedro SilvérioCarpinteiro, L.Pinto, Fausto J.Sousa, J.2019-11-292019-11-292019European Heart Journal, Vol.40, Issue Supp. 1, Oct. 20190195-668Xhttp://hdl.handle.net/10451/40336Published on behalf of the European Society of Cardiology. All rights reserved. © The Author(s) 2019. For permissions, please email: journals.permissions@oup.com.Introduction: Ventricular tachycardia (VT) endocardial mapping and ablation may not be sufficient in several arrhythmogenic contexts, because ventricular myocardium may comprise intricate endocardial, intramural and epicardial substract. Thus, epicardial ablation has lately become a complementary and necessary tool to approach some VTs in different types of cardiomyopathies.engCatheter Ablation of Arrhythmiasjournal article10.1093/eurheartj/ehz746.06311522-9645