Prof. Tomás Cianciulli, MD, MTSAC, FACC, FASE. Director of Echocardiography Laboratory of the Hospital "Dr. Cosme Argerich ". Buenos Aires. Argentina. Reasearcher of the Ministry of Health of the Government of the City of Buenos Aires, with more than 65 publications in Journals indexed in Medline. Preceptorship Training Program, University of Alabama at Birmingham, Dr. Nanda. 1987 Director of the Annual Echocardiography and Cardiac Doppler Course of the Argentine Medical Association, for 35 years. Observership in the Echocardiography Laboratory of: 1) Brigham and Women's Hospital of Harvard University. Boston. USA in June 2015 2) Washington University Medical Center. Seattle. Washington. USA in June 2016 3) Houston Methodist Hospital. Houston USA in June 2018 4) Washington University School of Medicine in Saint Louis. Missouri, USA June 2019. Author of the book "New Techniques in Echocardiography" 2012 (Edited in Spanish and Portuguese) and Author of 15 Chapters of Book of Cardiology