A resynchronized shunt: Biventricular pacing followed by acute clinical decompensation in a patient with misdiagnosed atrial septal defect. (1st March 2015) - Ballo, Piercarlo; Fantini, Andrea; Vannelli, Pasquale; Fibbi, Veronica; Rosso, Gabriele; Santoro, Gennaro; Zuppiroli, Alfredo; Chiodi, Leandro