Gene H. Payne1, 2, Kamal Vij3, Nelly A. Volland1, 2, Ravi Ranjan, 24, Rob MacLeod2, 5, Nassir Marrouche2, 4
1UCAIR, University of Utah, Salt Lake City, UT, United States; 2CARMA Center, University of Utah, Salt Lake City, UT, United States; 3MRI Interventions, Inc., Irvine, CA, United States; 4Department of Cardiology, University of Utah, Salt Lake City, UT, United States; 5Scientific Computing and Imaging Institute, University of Utah, Salt Lake City, UT, United States
During RF ablation procedures for the treatment of atrial fibrillation, endocardial electrogram signals are detected, recorded, and displayed for the clinician. A steerable ablation catheter is used to detect these EGM signals. With the ultimate goal of performing this atrial fibrillation treatment inside an MR scanner, it will be necessary to obtain reliable, low-noise signals inside the MR scanner. Presented are some details of the experimental setup that were required to obtain good electrogram signals on a porcine subject inside a 3T MR scanner.