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Abstract #0377

Thermo-Acoustic Ultrasound Detection of RF Coil and Tip SAR

Greig Scott 1 , Maryam Etezadi-Amoli 1 , Pascal Stang 2 , Hao Nan 1 , Miaad Aliroteh 1 , Amin Arbabian 1 , and John Pauly 1

1 Electrical Engineering, Stanford University, Stanford, California, United States, 2 Procyon Engineering, California, United States

Detection of RF power deposition is important in MRI SAR analysis, and in RF safety of implanted leads. We demonstrate thermo-acoustic ultrasound as a non-invasive means to detect rapid RF power deposition at MRI frequencies. Results are shown using CW modulation methods for a exposed lead and stripline RF coil.

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