A specific absorption rate prediction concept for parallel transmission MR.

@article{Grlin2012ASA,
  title={A specific absorption rate prediction concept for parallel transmission MR.},
  author={Ingmar Gr{\"a}\sslin and Hanno Homann and Sven Biederer and Peter B{\"o}rnert and Kay Nehrke and Peter Vernickel and Giel Mens and Paul K. Harvey and Ulrich Katscher},
  journal={Magnetic resonance in medicine},
  year={2012},
  volume={68 5},
  pages={1664-74}
}
The specific absorption rate (SAR) is a limiting factor in high-field MR. SAR estimation is typically performed by numerical simulations using generic human body models. However, SAR concepts for single-channel radiofrequency transmission cannot be directly applied to multichannel systems. In this study, a novel and comprehensive SAR prediction concept for parallel radiofrequency transmission MRI is presented, based on precalculated magnetic and electric fields obtained from electromagnetic… CONTINUE READING

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