631-01-010 / 631-01-010 ISMRM Abstract

In Vivo Measurement of Gradient-Induced Electric Fields Using a Surface Dipole Probe and a Z-Gradient Array Coil

Primary: Physics & Engineering - Gradients

Secondary: Physics & Engineering - Bioeffects & Magnetic Fields

631-01-010 · RF Coils · Thursday, 14 May, 8:30 AM–10:06 AM · Roof Terrace

Keywords: Gradient safety Electromagnetic simulations Peripheral Nerve Stimulation Gradient array

Accepted

Metin Can Işık ¹, Sadeq S Alsharafi¹, Ege Aydın^1,2, Ergin Atalar^1,2

¹National Magnetic Resonance Research Center (UMRAM), Bilkent University, Ankara, Turkey

²Department of Electrical and Electronics Engineering, Bilkent University, Ankara, Turkey

Presenting Author: Metin Can Işık

Synopsis

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References

1. Schaefer DJ, Bourland JD, Nyenhuis JA. Review of patient safety in time-varying gradient fields. J Magn Reson Imaging. 2000 Jul;12(1):20-9. doi: 10.1002/1522-2586(200007)12:1<20::aid-jmri3>3.0.co;2-y. PMID: 10931561. [doi] [pmid]

2. Gudino N, Littin S. Advancements in Gradient System Performance for Clinical and Research MRI. J Magn Reson Imaging. 2023 Jan;57(1):57-70. doi: 10.1002/jmri.28421. Epub 2022 Sep 8. PMID: 36073722. [doi] [pmid]

3. Takrimi M, Atalar E. Z-Gradient Array Coil Equipped with a Tunable Shield Array for Creating Multiple-Imaging Volumes. Proc. ISMRM. 2022;30:1368.

4. Babaloo R, Atalar E. Minimizing electric fields and increasing peripheral nerve stimulation thresholds using a body gradient array coil. Magn Reson Med. 2024 Sep;92(3):1290-1305. doi: 10.1002/mrm.30109. Epub 2024 Apr 16. PMID: 38624032. [doi] [pmid]

5. Glover PM, Bowtell R. Measurement of electric fields induced in a human subject due to natural movements in static magnetic fields or exposure to alternating magnetic field gradients. Phys Med Biol. 2008 Jan 21;53(2):361-73. doi: 10.1088/0031-9155/53/2/005. Epub 2007 Dec 28. PMID: 18184992. [doi] [pmid]

6. Halder M, Mirkes C C, Glover P M, Bowtell R. Study of gradient induced electric fields in a tissue-mimicking ASTM phantom within an X-axis gradient coil. Proc 28th Annu Meet ISMRM; 2020. p. 4206. Available from: https://cds.ismrm.org/protected/20MProceedings/PDFfiles/4206.html

7. Glover PM, Bowtell R. Measurement of electric fields due to time-varying magnetic field gradients using dipole probes. Phys Med Biol. 2007 Sep 7;52(17):5119-30. doi: 10.1088/0031-9155/52/17/001. Epub 2007 Aug 7. PMID: 17762075. [doi] [pmid]

8. Aydin, E, Ozturk, ME, Takrimi, M, and Atalar E., Scalable gradient array power amplifier design using digital current feedback, ISMRM, Honolulu Hawaii, 2025

9. Makarov, Sergey N., Gregory M. Noetscher, and Ara Nazarian. Low-frequency electromagnetic modeling for electrical and biological systems using MATLAB. John Wiley & Sons, 2015.

10. Saritas EU, Goodwill PW, Zhang GZ, Conolly SM. Magnetostimulation limits in magnetic particle imaging. IEEE Trans Med Imaging. 2013 Sep;32(9):1600-10. doi: 10.1109/TMI.2013.2260764. Epub 2013 Apr 30. PMID: 23649181. [doi] [pmid]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/631-01-010