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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