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Abstract #2193

Fast 3D Whole Heart Imaging using Seiffert Spirals

Tobias Speidel1, Patrick Metze2, Thomas Hüfken2, and Volker Rasche1,2
1Core Facility Small Animal Imaging (CF-SANI), Ulm University, Ulm, Germany, 2Department of Internal Medicine II, University Ulm Medical Center, Ulm, Germany

The overall duration of acquiring a Nyquist sampled 3D dataset can be significantly shortened by enhancing the efficiency of k-space sampling. This can be achieved by increasing the coverage of k-space for every trajectory interleave. The presented and adapted acquisition scheme using Seiffert Spirals can be a valuable tool for applications in which scan durations are strictly limited e.g. in the case of 3D ECG gated cardiovascular imaging. In this context we apply the Seiffert Spirals to isotropic whole heart imaging with overall scan times of 350 heart beats for a resolution of (1.25 mm)3.

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