Abstract #4167

Specific Absorption Rate in Head-Only Mid-Field Scanner: Comparisons to 1.5 T and 3 T

Ian RO Connell^1,2, Alex Panther², and Blaine A Chronik¹

¹Physics and Astronomy, University of Western Ontario, London, ON, Canada, ²Synaptive Medical, Toronto, ON, Canada

The mid-field system studied here demonstrates reduced maximum 10-g SAR when performing RF excitation around resonant lead lengths as well as a total reduction in SAR consistent with SAR α B_o². In comparison to 1.5 T and 3 T clinical scanners, mid-field scanners provide unique opportunities to obtain diagnostically relevant information with a commensurate increase in safety for patients with implanted devices.

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