ercy Hospital's Dr. Alberto Interian, medical director of the Arrhythmia Syncope Center, will present an Electrophysiological Study and Catheter Ablation with 3-D Mapping during a live webcast on www.OR-Live.com on November 15th at 5:00 p.m. The webcast will be moderated by Dr. Peter V. Garcia, associate director, Mercy Hospital Arrhythmia Syncope Center. This will be the first time a procedure of this kind is performed live during a web broadcast and simulcast in English and Spanish.