Abstract #2202

About the application of the ICNIRP Guidelines for motion-induced electric fields in MRI

Luca Zilberti¹, Oriano Bottauscio¹, and Mario Chiampi²

¹Istituto Nazionale di Ricerca Metrologica, Torino, Italy, ²Dipartimento Energia, Politecnico di Torino, Torino, Italy

This contribution reports the results of an extended survey, in which the exposure indexes provided by the current Guidelines dealing with motion-induced fields in MRI environments have been computed. The analysis is carried out through numerical simulations, using detailed human models that experience realistic exposure conditions (motion trajectories and MRI scanners). Besides identifying some critical situations (where the exposure indexes may be exceeded), the research puts in evidence some degree of freedom in the evaluation procedure, which might lead to inconsistences between different assessment approaches.

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