Dr. Mathias has a broad background in cardiology, with specific training and expertise in echocardiography, and special research interests in Stress Echocardiography and Contrast Echocardiography. He has published over 200 original papers in national and international professional journals. In the first ever multicenter trial on Echocardiography, he laid the groundwork for the proposed research by setting the basis for the use in stress echocardiography, as well as carried out several research projects with the use of contrast echocardiography, mainly in the field of coronary artery disease. He is an occasional consultant of FAPESP (Fundação de Amparo a Pesquisa do Estado de São Paulo) and ANVISA (National Agency for Sanitary Vigilance), and a co-founder of the International Society of Contrast Ultrasound.
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