OPTIMA (VIDEO) Johns Hopkins University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Johns Hopkins scientists have a new approach called OPTIMA to create personalized 3D replicas of the upper chambers of patients' hearts. With those replicas, scientists can accurately identify locations where irregular heartbeats begin. Credit Patrick M. Boyle and Natalia A. Trayanova Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.