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

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

Left ventricular improvement after catheter ablation of atrial fibrillation: What ablation procedure and for whom? Mauricio I. Scanavacca