William-Fernando Bautista-Vargas, Internal Medicine, Cardiologist, Electrophysiologist, Cardiac Electrophysiologist- McGill University, Epidemiologist, candidate to a Master "Master Del Ritmo Cardiaco ". Trained and experice inxperince in treatment of complex atrial and ventricular arrythmias as well as a cardiac devices implantation, included left atrial apendage oclussion procedures. Interested in Electrophysiology Investigation.