A METHOD AND DEVICE FOR MAGNETIC RESONANCE IMAGING DATA ACQUISITION GUIDED BY PHYSIOLOGIC FEEDBACK

摘要

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.