Abstract #0519

Simultaneous Multi-VENC Imaging

Simon Schmidt¹, Sebastian Flassbeck¹, Mathies Breithaupt^1,2, Mark E. Ladd¹, and Sebastian Schmitter^1,3

¹Medical Physics in Radiology, German Cancer Research Center, Heidelberg, Germany, ²Institute for Forensic Medicine and Traffic Medicine, University Hospital Heidelberg, Heidelberg, Germany, ³Physikalisch-Technische Bundesanstalt (PTB), Braunschweig and Berlin, Germany

In this work we introduce and investigate the feasibility of "Simultaneous Multi-VENC" (SMV) imaging. This technique is inspired by "spokes" RF pulses used for parallel transmission and by Simultaneous-Multi-Slice (SMS) imaging. SMV enables encoding of a single 2D plane by two or more 2D phase images with different velocity sensitivities, allowing multiple encoding velocities (VENC). Only a single readout is used to acquire all VENC data, which are separated using a standard SMS slice-GRAPPA algorithm. The feasibly of SMV is demonstrated in a flow phantom and in-vivo for three spokes with two different VENC values.

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