Title: Ajmaline challenge to unmask infrahisian disease in patients with recurrent and unexplained syncope, preserved ejection fraction, with or without conduction abnormalities on surface ECG

Credits: Francesco Pentimalli, Luca Bacino, Matteo Ghione, Giambattista Siri, Massimo Gazzarata, Paolo Bellotti

Title: Influence of age and gender on complications of catheter ablation for atrial fibrillation

Credits: Giuseppe Stabile, Emanuele Bertaglia, Carlo Pappone, Sakis Themistoclakis, Claudio Tondo, Alessandro Zorzi, Matteo Anselmino

Title: Silent Cerebral Embolism during Atrial Fibrillation Ablation: Pathophysiology, Prevention and Management

Credits: Matteo Anselmino, Mario Matta, Elisabetta Toso, Federico Ferraris, Davide Castagno, Marco Scaglione, Federico Cesarani, Riccardo Faletti, Fiorenzo Gaita

Title: Atrial Fibrillation in Patients with Cardiac Resynchronization Therapy: Clinical Management and Outcome

Credits: Giuseppe Boriani, Paola Battistini, Igor Diemberger, Matteo Ziacchi, Cinzia Valzania, Cristian Martignani, Mauro Biffi

Title: Quinidine for pharmacological cardioversion of long-lasting atrial fibrillation: safety and efficacy

Credits: Matteo Baroni MD, Antoine Kheir MD, Margherita Manfredi MD, Francesco Pattarino MD, Flavio Doni FESC