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;

Brugada syndrome: Eligibility for subcutaneous implantable cardioverter-defibrillator after exercise stress test Pedro von Hafe; Bebiana Faria; Geraldo Dias; Filipa Cardoso; Maria José Alves; Assunção Alves; Bernardete Rodrigues; Sílvia Ribeiro; Víctor Sanfins; António Lourenço;