Medium- and long-term outcome after a single second-generation cryoballoon ablation in patients with paroxysmal and persistent atrial fibrillation Ginés Elvira Ruiz, Pablo Peñafiel Verdú, Juan Martínez Sánchez, Juan José Sánchez Muñoz, Francisco José García Almagro, Carmen Muñoz Esparza, Arcadi García Alberola

Late atypical atrial flutter after ablation of atrial fibrillation Raquel Ferreira, João Primo, Luis Adão, Anabela Gonzaga, Helena Gonçalves, Rui Santos, Paulo Fonseca, José Santos, Vasco Gama

Pheochromocytoma diagnosed after anticoagulation for atrial fibrillation ablation procedure: A giant in disguise Carlos Galvão Braga, Sílvia Ribeiro, Juliana Martins, Carina Arantes, Vítor Ramos, João Primo, Sónia Magalhães, Adelino Correia