Impact of substrate-based ablation for ventricular tachycardia in patients with frequent appropriate implantable cardioverter-defibrillator therapy and dilated cardiomyopathy: Long-term experience with high-density mapping Mário Oliveira; Pedro Cunha; Bruno Valente; Guilherme Portugal; Ana Lousinha; Mariana Pereira; Manuel Braz; Ana Delgado; Rui C. Ferreira;

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;