Afib (2 of 2) (VIDEO) Johns Hopkins Medicine 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 Physicians image the left atrium of the heart, divide it up in different segments (each colored box) and compared how in-sync these regions are. Those people with left atriums more out-of-sync when the heart relaxes aren't likely to benefit from the procedure versus those with in-sync atriums who would be likely candidates for a successful procedure. Credit Credit: Ashikaga Lab 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.