Two new methods of automatic, retrospective suppression of breathing motion appear to be effective for real-time cardiac MR (CMR) scans of free-breathing healthy volunteers. This may obviate the need for multiple breath-holds during CMR exams, allowing for a quicker, more comfortable experience for cardiac patients. The first method demonstrated corrects smaller breathing motions and has the advantage of correcting all cardiac cycles. The second method demonstrated successfully compensates the respiratory excursions of largest amplitude, common in short axis scans, by extracting cardiac cycles at end-inspiration or end-expiration.
This abstract and the presentation materials are available to members only; a login is required.