A new electrophysiologic triad for identification and localization of the critical isthmus in atrial flutter Pedro Adragão; Daniel Matos; Francisco Moscoso Costa; Pedro Carmo; Diogo Cavaco; Gustavo Rodrigues; João Carmo; Francisco Morgado; Miguel Mendes;

Cardiac arrhythmias in patients presenting with COVID-19 treated in Portuguese hospitals: A national registry from the Portuguese Association of Arrhythmology, Pacing and Electrophysiology Dinis Mesquita; Pedro Carmo; Nuno Cabanelas; Nuno Santos; Vítor Martins; Victor Sanfins; Helena Cristina Costa; José Paulo Fontes; Paulo Fonseca; Leonor Parreira;

Medication adherence to direct anticoagulants in patients with non-valvular atrial fibrillation ¿ A real world analysis Catarina Brízido; António Miguel Ferreira; Pedro Lopes; Christopher Strong; Gustavo Sá Mendes; Francisco Fernandes Gama; Anaí Durazzo; Gustavo Rocha Rodrigues; Daniel Matos; Sara Guerreiro; Sérgio Madeira; Jorge Ferreira; Pedro Adragão; Miguel Mendes;