ACC2004

(1015-219/219) The Influence of Atrial and Ventricular Pacing on T Wave Alternans

Aneesh V. Tolat, Matthew R. Reynolds, Panos Papageorgiou, Allison W. Richardson, Peter Zimetbaum, Mark E. Josephson, Beth Israel Deaconess Medical Center, Boston, MA

(1130-220/220) Brugada-Type Electrocardiographic Pattern and ST-Segment Alternans in Right Precordial Leads During Percutaneous Coronary Intervention of the Proximal Right Coronary Artery

Naoki Fujimoto, Chikaya Omichi, Takafumi Koji, Atsushi Kawasaki, Shigeki Kato, Atsunobu Kasai, National Mie Central Hospital, Hisai, Japan

(1148-208/208) Psychological Stress Increases Heterogeneity of Repolarization in Patients With Structural Heart Disease and Ventricular Arrhythmias

Rachel Lampert, Vladimir Shusterman, Matthew M. Burg, Forrester A. Lee, Christine Earley, Anna Goldberg, Craig A. McPherson, William P. Batsford, Robert Soufer, Yale University School of Medicine, New Haven, CT, University of Pittsburgh, Cardiovascular Institute, Pittsburgh, PA

(1148-219/219) Microvolt T-Wave Alternans as a Predictor of Ventricular Tachyarrhythmias: A Prospective Study Using Atrial Pacing

Kaoru Tanno, Norikazu Watanabe, Shunsho Ryu, Yoshino Minoura, Mitsuharu Kawamura, Taku Asano, Youichi Kobayashi, Takashi Katagiri, Showa University, Tokyo, Japan

(1163-124/124) Improvement in Autonomic Dysfunction Manifested by Altered Heart Rate Variability, T-Wave-Alternans and Norepinephrine by Long-Term Exercise in Chronic Heart Failure

Robert M. Nechwatal, Michael Horn, Uwe Scharf, Bettina Mochalski, Ulrike Lachenmeyer, Christiaan Barnard Klinik, Dahlen, Germany

(874-1) Right Ventricular but Not Biventricular Pacing Increases Markers of Ventricular Electrical Vulnerability

Gioia Turitto, Seing Houy, Ravi Gupta, Ronald Pedalino, Nabil El-Sherif, SUNY - Downstate Medical Center, Brooklyn, NY

(874-3) Assessment of Microvolt T Wave Alternans on and off Beta-Blocker Therapy

Pawel Ptaszynski, Thomas Klingenheben, Stefan H. Hohnloser, J.W. Goethe University Frankfurt, Frankfurt, Germany

(890-1) Does a Narrow QRS Identify a Low-Risk Subgroup of Patients With Ischemic Heart Disease? Results of Electrophysiology Testing and T Wave Alternans Testing in a "MADIT-2" Population

Kenneth M. Stein, Sei Iwai, Suneet Mittal, Steven M. Markowitz, Ravi K. Yarlagadda, Bindi K. Shah, Amit B. Guttigoli, Bruce B. Lerman, Cornell University Medical Center, New York, NY