Protocol-based cardiotoxicity monitoring in hydroxychloroquine medicated COVID-19 pediatric patients Inês Hormigo; Tiago Milheiro Silva; Sérgio Laranjo; Conceição Trigo; Ana Margarida Garcia; Catarina Gouveia; Maria João Brito;

Iatrogenic fistula between the aorta and the right ventricular outflow tract after Melody valve implantation: Case report and literature review Petra Loureiro; José F. Martins; Alain Fraisse; Rui Rodrigues; José Fragata; Fátima F. Pinto;

Clinical outcome of a single procedure cryoballoon ablation for the treatment of atrial fibrillation: A real-world multicenter experience in Portugal Pedro Silva Cunha; Paulo Fonseca; Sérgio Laranjo; Fernando Montenegro Sá; Bruno Tereno Valente; Guilherme Portugal; Helena Gonçalves; Manuel Nogueira da Silva; Luís Brandão; Mário Martins Oliveira; João Primo;