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Abstract #0774

Experimental and Theoretical Analysis of the Induced Voltage Along Implant Leads Due to Gradient Fields

Esra Abaci Turk1, Emre Kopanoglu1, Yigitcan Eryaman1, Vakur Behcet Erturk1, Ergin Atalar1

1Bilkent University, Ankara, Turkey

With the help of the simplified electric field expressions for x, y and z gradient coils, approximate voltage values to occur on the lead are derived analytically and these values are compared with the values obtained from realistic experiments. This comparison shows that, if the path of the implant lead is known, induced voltage on the lead can be determined analytically and with the obtained result the risk of the stimulation can be examined for patients with implants prior to MRI.