Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Quality assurance and radiofrequency heating.

Patricia Desmond1, Ari Syngeniotis, Steven Fleming

  • 1Department of Brain Research Institute, University of Melbourne, Victoria, Australia. Patricia.Desmond@mh.org.au

Australasian Radiology
|August 28, 2002
PubMed
Summary

This study presents a low-cost method to measure radiofrequency (RF) power deposition in MRI magnets. Findings at 3 Tesla (T) indicate actual RF power is lower than monitored levels, crucial for safety and quality assurance.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Novel Macrocyclic Peptides as Potent and Selective Inhibitors of Human Neutrophil Serine Protease 4.

Journal of molecular biology·2026
Same author

Improved dietary control results in improvements in indices of white matter structure in adults with phenylketonuria: the ReDAPT study.

Acta neuropsychiatrica·2026
Same author

Telehealth enabled neuropsychological testing (TENT): a new platform for examiner-led, digital cognitive assessment.

Journal of neurology·2026
Same author

Temporal Dynamics of the No-Reflow Phenomenon on Serial Perfusion MRI After Thrombectomy.

Neurology·2026
Same author

Automated detection of bottom-of-sulcus dysplasia on magnetic resonance imaging-positron emission tomography in patients with drug-resistant focal epilepsy.

Epilepsia·2025
Same author

Surgical white matter disruption leads to downstream atrophy in the non-resected human brain.

Brain : a journal of neurology·2025

Area of Science:

  • Medical Imaging
  • Magnetic Resonance Imaging Physics
  • Biomedical Engineering

Background:

  • Radiofrequency (RF) power deposition is a critical safety parameter in Magnetic Resonance Imaging (MRI).
  • Adherence to Food and Drug Administration (FDA) approved RF limits is essential, especially at higher field strengths like 3 Tesla (T).
  • Routine quality assurance (QA) at 1.5 T and 3 T requires accurate assessment of RF power deposition.

Purpose of the Study:

  • To introduce an economical method for evaluating RF power deposition within MRI magnets.
  • To compare measured RF power deposition with readings from standard MR power monitors.
  • To provide data relevant for MRI safety and operational protocols at 1.5 T and 3 T.

Main Methods:

  • Development and implementation of an inexpensive assessment technique for RF power deposition.

Related Experiment Videos

  • Experimental measurements conducted within an MRI magnet environment.
  • Comparison of the proposed method's results against existing MR power monitoring systems.

    • Main Results:

    • The proposed inexpensive method provides a means to assess RF power deposition.
    • At 3 T, the measured RF power deposited in the magnet was found to be lower than the value indicated by the MR power monitor.
    • The findings have implications for MRI safety monitoring and QA procedures.

    Conclusions:

    • An affordable and effective method for assessing RF power deposition in MRI magnets has been demonstrated.
    • The study highlights potential discrepancies between monitored and actual RF power deposition at 3 T.
    • This technique can enhance MRI safety and support QA programs for operators at 1.5 T and 3 T.