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Abstract #4342

Correction of fast motion by field monitoring in the head frame of reference

Alexander Aranovitch 1,2 , Maximilian Haeberlin 1 , Axel Haase 2 , and Klaas Paul Pruessmann 1

1 Institute for Biomedical Engineering, University and ETH, Zurich, Zurich, Switzerland, 2 Zentralinstitut fr Medizintechnik, Technische Universitt Mnchen, Munich, Bavaria, Germany

Very fast ehad motion cannot be neglected in long readouts such as single-shot EPI. The resulting k-space trajectory distortions cause image artefacts such as blurring, ghosting and geometric distortions if left untreated. Concurrent field monitoring in the head frame of reference is proposed to correct for fast motion during an EPI readout. Potential applications include tremor patients and other non-cooperative patients.

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