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Abstract #4252

PNS-Optimal Gradient Waveform Design

Rolf F Schulte 1 and Ralph Noeske 2

1 GE Global Research, Munich, Germany, 2 ASL Europe, GE Healthcare, Berlin, Germany

Peripheral nerve stimulation (PNS) is often a more limiting factor on modern MRI scanners than maximum gradient strength and slewrate. Typically, the slewrate is derated globally to adhere to PNS limitations. In this work, the PNS limitation is already included in the gradient waveform design in form of a time varying slewrate, hence shortening the overall gradient duration. The concept is demonstrated on exemplary spiral and EPI gradient waveforms.

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