Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
469-02-004 ISMRM Abstract

Swept RF pulse design considerations for highly inhomogeneous low-field MRI scanners

Primary: Physics & Engineering - Low-Field MRI
Secondary: Physics & Engineering - RF Pulse Design & Fields
469-02-004 · Low Field Applications and Systems · Tuesday, 12 May, 9:15 AM–10:10 AM · Digital Posters Row J
Keywords: Acquisition Methods Brain Low-Field MRI RF Pulse Design Portable MRI
Accepted
Dinank Gupta 1, Martin Hurlimann1, Jason Stockmann1, Lawrence L Wald1,2, Clarissa Z Cooley1
1Department of Radiology, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Charlestown, United States of America
2Harvard-MIT Health Sciences and Technology, Cambridge, United States of America
Presenting Author: Dinank Gupta

Synopsis

Motivation:
Goals:
Approach:
Results:
Full abstract & presentation

The full text, figures, and any recorded presentation for this abstract are not shown here. Log in if you are a member or registered attendee with access.

Full abstracts, figures, and presentations for Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition are available to registered attendees. This content becomes freely available to the public roughly two years after the meeting.

To request or purchase access, contact the ISMRM Central Office at info@ismrm.org.

Log in

References

1. L. L. Wald, P. C. McDaniel, T. Witzel, J. P. Stockmann, and C. Z. Cooley, “Low-cost and portable MRI,” Journal of Magnetic Resonance Imaging, vol. 52, no. 3, pp. 686–696, 2020, doi: 10.1002/jmri.26942. [doi]
2. J. P. Marques, F. F. J. Simonis, and A. G. Webb, “Low-field MRI: An MR physics perspective,” Journal of Magnetic Resonance Imaging, vol. 49, no. 6, pp. 1528–1542, June 2019, doi: 10.1002/JMRI.26637. [doi]
3. Y. Tian and K. S. Nayak, “New clinical opportunities of low-field MRI: heart, lung, body, and musculoskeletal,” Magn Reson Mater Phy, vol. 37, no. 1, pp. 1–14, Feb. 2024, doi: 10.1007/s10334-023-01123-w. [doi]
4. K. E. Cano, M. A. Smith, and A. J. Shaka, “Adjustable, Broadband, Selective Excitation with Uniform Phase,” Journal of Magnetic Resonance, vol. 155, no. 1, pp. 131–139, Mar. 2002, doi: 10.1006/jmre.2002.2506. [doi]
5. J. E. Power et al., “Increasing the quantitative bandwidth of NMR measurements,” Chem. Commun., vol. 52, no. 14, pp. 2916–2919, Feb. 2016, doi: 10.1039/C5CC10206E. [doi]
6. K. Selvaganesan, M. Gomes, W. Grissom, and A. Nacev, “Simulating the effects of off-resonance effects from a CHORUS pulse sequence in a single sided, low-field MRI system.,” presented at the Joint Annual Meeting ISMRM-ESMRMB ISMRT 31st Annual Meeting, London, England, UK, p. 1200. doi: 10.58530/2022/1200. [doi]
7. C. Z. Cooley et al., “A portable scanner for magnetic resonance imaging of the brain,” Nature Biomedical Engineering, vol. 5, no. 3, pp. 229–239, Nov. 2021, doi: 10.1038/s41551-020-00641-5. [doi]
8. C. Z. Cooley, J. Stockmann, and L. L. Wald, “A portable brain MRI scanner based on a 72 mT, 35 kg ‘Halbach-bulb’ magnet and external gradient coil,” presented at the Proceedings of the 29th Annual Meeting of the International Society of Magnetic Resonance in Medicine, 2021. [Online]. Available: https://cds.ismrm.org/protected/21MProceedings/PDFfiles/0559.html

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/469-02-004