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;

Arrhythmias in COVID-19. Do they influence outcomes in hospitalized patients? Mário Oliveira;

Consensus document on magnetic resonance imaging in patients with cardiac implanted electronic devices Ana G. Almeida; Natália António; Carla Saraiva; António Miguel Ferreira; António Hipólito Reis; Hugo Marques; Nuno Dias Ferreira; Mário Oliveira;