November 3, 3009 — On Monday, Andrea Natale, M.D., FACC, FHRS, an electrophysiologist and executive medical director of the Texas Cardiac Arrhythmia Institute at St. David's Medical Center, became the first physician in the United States to perform an ablation procedure to treat a patient with a cardiac arrhythmia using the newly FDA-cleared CARTO 3 Navigation System.