He has been the recipient of several NIH grants for studies of the use of cardiac imaging to better understand the physiology of left ventricular function and to favorably influence clinical decision–making. He has directed and/or participated in numerous clinical trials on heart failure and cardiac imaging, focusing on the role of new therapies and how they affect remodeling, physiology, function, and outcomes.

Dr. Udelson has been involved in editorial capacities for several high-impact journals including Circulation, Circulation: Heart Failure, JAMA Cardiology, the Journal of the American College of Cardiology (JACC), and the Journal of Nuclear Cardiology, among others, and has served on numerous national guideline and appropriate-use criteria writing groups. He has participated in a leadership capacity for professional organizations including the American Society of Nuclear Cardiology, the American College of Cardiology (ACC), and the Heart Failure Society of America. Additionally, he has served on several FDA advisory panels.