1. New Directions for the Journal of Interventional Cardiac Electrophysiology

   • Sanjeev Saksena

   Editorial Commentary Pages: 455 - 455

2. Why a Section on Autonomics?

   • Blair P. Grubb

   Editorial Commentary Pages: 457 - 457

3. A Targeted Disruption in Connexin40 Leads to Distinct Atrioventricular Conduction Defects

   • Laura M. Bevilacqua
   • Alexander M. Simon
   • Charles I. Berul

   OriginalPaper Pages: 459 - 567

4. Early ECG Abnormalities Associated with Transcatheter Closure of Atrial Septal Defects Using the Amplatzer® Septal Occluder

   • Sharon L. Hill
   • Charles I. Berul
   • Ziyad M. Hijazi

   OriginalPaper Pages: 469 - 474

5. Recurrent Seizure Diagnosed by the Insertable Loop Recorder

   • Christopher S. Simpson
   • Malcolm A. Barlow
   • Allan C. Skanes

   OriginalPaper Pages: 475 - 479

6. Effects of Sodium Channel Blockade on Ibutilide Induced Prolongation of Repolarization in the Isolated Rabbit Ventricle

   • Mark A. Wood
   • Ithiel Fuller
   • Anna Hong

   OriginalPaper Pages: 481 - 487

7. Demonstration of a His-Purkinje Fatigue Phenomenon with Programmed Stimulation of the Right Ventricular Outflow Tract

   • S. Serge Barold
   • Helen S. Barold

   OriginalPaper Pages: 489 - 491

8. Is There an Adverse Outcome From Abandoned Pacing Leads?

   • Chikashi Suga
   • David L. Hayes
   • Margaret A. Lloyd

   OriginalPaper Pages: 493 - 499

9. Activation Effects of Single-Site and Dual-Site Right Atrial Pacing in Canine

   • Huabin Sun
   • William H. Spencer III
   • Dirar S. Khoury

   OriginalPaper Pages: 501 - 509

10. Threshold Tracking Pacing Based on Beat by Beat Evoked Response Detection: Clinical Benefits and Potential Problems

    • Fırat Duru
    • Urs Bauersfeld
    • Reto Candinas

    OriginalPaper Pages: 511 - 522

11. A Novel Indication for Transvenous Lead Extraction: Upgrading Implantable Cardioverter Defibrillator Systems

    • Victoria J. Korley
    • Nannette Hallet
    • Laurence M. Epstein

    OriginalPaper Pages: 523 - 528

12. Acute Electrophysiologic Effects and Antifibrillatory Actions of the Long Linear Lesions in the Right Atrium in a Sheep Model

    • Gjin Ndrepepa
    • Michael A.E. Schneider
    • Claus Schmitt

    OriginalPaper Pages: 529 - 536

13. Transcatheter Cryoablation of Ventricular Myocardium in Dogs

    • Manish K. Wadhwa
    • Marc M. Rahme
    • Gregory K. Feld

    OriginalPaper Pages: 537 - 545