University of Pennsylvania

Eugene E Gualtieri

Walter R T Witschey

Francisco Contijoch

Mark A Elliott

An adaptive real-time radial k-space sampling trajectory (ARKS) can respond to a physiologic feedback signal to reduce motion effects and ensure sampling uniformity. In this adaptive k-space sampling strategy, the most recent signals from an ECG waveform can be continuously matched to the previous signal history, new radial k-space locations were determined, and these MR signals combined using multi-shot or single-shot radial acquisition schemes. The disclosed methods allow for improved MRI imaging.

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Philadelphia, PA, United States of America

Eugene E Gualtieri