Ventricular tachycardia induced by pacing algorithm designed to avoid atrial fibrillation David Roque, Nuno Cabanelas, João Augusto, Francisco Madeira, Hugo Vasconcelos, Carlos Morais

Inappropriate tachycardia at rest as a consequence of atrial preference pacing algorithm Baris Akdemir

Triple-site pacing for cardiac resynchronization in permanent atrial fibrillation – Acute phase results from a prospective observational study Pedro Marques, Miguel Nobre Menezes, Gustavo Lima da Silva, Ana Bernardes, Andreia Magalhães, Nuno Cortez-Dias, Luís Carpinteiro, João de Sousa, Fausto J. Pinto