Premature ventricular contractions of the right ventricular outflow tract: Upward displacement of the ECG unmasks ST elevation in V1 associated with the presence of low voltage areas Leonor Parreira, Rita Marinheiro, Pedro Carmo, Pedro Amador, Tiago Teixeira, Diogo Cavaco, Francisco Costa, Katya Reis-Santos, Pedro Adragão

Ablation of multifocal premature ventricular contractions using automated pace-mapping software Raphaël P. Martins, Karim Benali, Vincent Galand, Nathalie Behar, Jean-Claude Daubert, Philippe Mabo, Christophe Leclercq, Dominique Pavin

Pattern Matching Filter and multielectrode mapping catheter – A new approach for complex premature ventricular contraction ablation Pedro A. Sousa, Natália António, Sérgio Barra, Luís Elvas, Lino Gonçalves