The maximum gradient amplitude (Gmax) and slew rate (SRmax) determine the minimum number of interleaves (and total scan time) in a 3D pseudo-continuous arterial spin-labeling (3DpCASL) acquisition with a stack-of-spirals readout module for a given spatial resolution. The higher Gmax and SRmax of a recently developed head-only gradient system (MAGNUS) was utilized to reduce the total scan time of a clinical 3DpCASL acquisition by a factor of 2 compared to a similar acquisition carried out at a lower Gmax and SRmax of a conventional whole-body system (CWBS) while maintaining comparable image quality.
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