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Abstract #4068

Measuring Radio-Frequency Induced Currents On Metallic Leads Using Parallel Imaging

Yigitcan Eryaman1, Sean Moen1, Andrea Grant1, Gregor Adriany1, Kamil Ugurbil1, Noam Harel1, and J. Thomas Vaughan1,2

1CMRR, University of Minnesota, Minneapolis, MN, United States, 2Mortimer B. Zuckerman Mind Brain Behavior Institute,Columbia University, New York, NY, United States

We present a method that can be used to calculate the RF induced currents flowing on metallic leads. Proposed method relies on analyzing MR magnitude images (acquired by parallel imaging) , and modeling/matching the null location at the vicinity of the lead. The calculated induced current can be used to predict safe excitation scenarios and reduce heating around the lead.

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