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Abstract #3729

Single Point Imaging with Rapid Encoding (SPIRE) for MRI with Sub-millisecond Temporal Resolution

Johannes Fischer1 and Michael Bock1
1Dept. of Radiology, Medical Physics, Medical Center University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany

Single Point Imaging with Rapid Encoding (SPIRE) is a new imaging technique for measuring fast and repetitive motion. Here, the temporal resolution does not depend on TR but on the duration of the fast-switching phase encoding gradients. We show the abilities of SPIRE by imaging the falling of water drops and reconstruct the images using self-gating. The obtained image data has a temporal resolution below 0.5 ms and the drops oscillations frequency is measured. The good agreement with predictions shows the accuracy and possibilities of this technique.

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