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Abstract #4824

Impact of RF Frequency Variation on AIMD MRI RF Safety Assessment

Xin Huang1, Xiyao Xin1, Kevin Feng1, Vick Chen1, and Shiloh Sison1
1Abbott Laboratories, Sylmar, CA, United States


To assess the impact of RF frequency variation on AIMD MRI RF safety, the tangential electric field and cardiac pacing lead electrode RF heating transfer functions were obtained at different frequencies: around 64 MHz for 1.5T scanners and 128 MHz for 3T scanners. The result shows that the impact on in vivo RF heating prediction due to RF frequency shift is insignificant.

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