Impact of catheter ablation for atrial fibrillation in patients with heart failure and left ventricular systolic dysfunction Joana Maria Ribeiro, Pedro A. Sousa, Natália António, Rui Baptista, Luís Elvas, Sérgio Barra, Lino Gonçalves

PentaRay catheter in persistent atrial fibrillation ablation Pedro Pinto Teixeira, Pedro Silva Cunha, Ana Sofia Delgado, Ricardo Pimenta, Mário Martins Oliveira, Rui Cruz Ferreira

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