Dr Miguel Ayala Leon MD is a graduate “summa cum laude” of the University Mayor de San Andres - Bolivia - Medical School. He trained in Internal Medicine at the Del Norte University and Central Military Hospital of the Armed Forces of the Nation - Paraguay - and Cardiology and Cardiovascular Critical Care Fellowship at National Institute of Cardiology Ignacio Chavez – National Autonomous University of Mexico (UNAM) - Mexico-. He is actually a Fellow of Echocardiography at National Institute of Medical Sciences and Nutrition Salvador Zubiran at Mexico City and Cardiovascular Critical Care staff doctor at the Critical Care Unit in the National Institute of Cardiology Ignacio Chavez. Also is part of a research group of pulmonary Hypertension related to scleroderma at National Institute of Medical Sciences and Nutrition Salvador Zubiran. He is a member of the Mexican Cardiology Society, Mexican Society of Critical Cardiovascular Medicine A.C. and American College of Cardiology.