Brendan J. O'Cochlain, MD Specialty: Cardiac Electrophysiology Medical School: University College Galway, Ireland. Graduated 1990. Residency: Montefiore Medical Center, New York, Anatomic Pathology; Montefiore Medical Center, New York, Internal Medicine. Fellowship: University of Chicago Medical Center, Cardiology; Emory University Medical Center, Electrophysiology. American Board of Medical Specialties Certification: Internal Medicine Cardiovascular Disease Electrophysiology Interests: Cardiac Electrophysiology, Pacing, Ablations, Automatic Implantable Defibrillators, Biventrical Pacing. Publications: The effect of variation in the interval between right and left ventricular activation on paced QRS duration. PACE 2001; 24: 1780-83. Objective evaluation of regional left ventricular wall motion during dobutamine stress echo studies using segmental analysis of color kinesis images. Journal of the American College of Cardiology, 1999; 34: 402-419 Research: Rare Study: Reported Atrial Fibrillation and Inappropriate Mode Switch in Sick Sinus Syndrome Patients. Contak Renewal: Heart Failure- Heart Rate Variability Registry Decrease HF: Device Evaluation of Contak Renewal 2/4/4HE and Contak 2; Assessment of Safety and Effectiveness in Heart Failure. Trends Study: Prospective, Non-Randomized Trial in Subjects Receiving a Commercially Available Medtronic Implantable Pulse Generator, Implantable Cardioverter Defibrillator, or Cardiac Resynchronization Therapy Device.