Echocardiographic atrioventricular interval optimization in patients with dual-chamber pacemakers and symptomatic left ventricular systolic dysfunction - 28/08/11

David M. Gilligan, MD ^b, Donna Sargent, RN ^b, Vidyashankar Ponnathpur, MD ^b, Dan Dan, MD ^b, John S. Zakaib, MD ^b, Kenneth A. Ellenbogen, MD ^{a, ⁎}

^a Electrophysiology Section, Division of Cardiology, Department of Internal Medicine, Medical College of Virginia, Virginia Commonwealth University, Richmond, USA 

^b the Hunter Holmes McGuire Veterans Affairs Medical Center, Richmond, Virginia, USA 

^*Dr. Ellenbogen’s address is: Medical College of Virginia, PO Box 980053, Richmond, Virginia 23298-0053, USA.