Title: New-onset Heart Failure With Atrial Fibrillation: A Distinct Type of Cardiomyopathy?

Credits: Vinay Mehta, Alexander Albers, Maharaj Singh, Ana Cristina Perez Moreno, Timothy E. Paterick

Title: The Arrhythmic Substrate for Atrial Fibrillation in Patients with Mitral Regurgitation

Credits: Matthew R. Schill, MD, Phillip S. Cuculich, MD, Christopher M. Andrews, MS, Ramya Vijayakumar, PhD, ChawannuchRuaengsri, MD, Matthew C. Henn, MD, Timothy S. Lancaster, MD, Spencer J. Melby, MD, Richard B. Schuessler, PhD, Yoram Rudy, PhD, and Ralph J. Damiano, Jr., MD

Title: SANS FLUORO Supersized: A case report of Fluoroless Ablation in a Super Morbidly Obese Patient

Credits: Robert Lee Percell, Erin Sharpe, Timothy Allison, Shirley Mohr Burt, Rhonda Olmsted, Chad Travers

Title: The prevalence of low left atrial appendage emptying velocity and thrombus in patients undergoing catheter ablation for atrial fibrillation on uninterrupted peri-procedural warfarin therapy

Credits: Neil Herring, Stephen P. Page, Mohammed Ahmed, Melanie R. Burg, Ross J. Hunter, Mark J. Earley, Simon C. Sporton, James D. Newton, Nikant K. Sabharwal, Saul G. Myerson, Yaver Bashir, Tim R Betts, Richard J. Schilling, Kim Rajappan

Title: Presence of left atrial appendage thrombus in patients presenting for left atrial ablation of atrial fibrillation despite pre-operative anticoagulation.

Credits: Joseph P. de Bono, Sacha Bull, John Paisey, David Tomlinson, Kim Rajappan, Yaver Bashir, Harald Becher, Timothy R Betts