Technical Innovation

Is MRI as safe as we think?

S Wahab, R A Khan, E Ullah, A Wahab
South African Journal of Radiology | Vol 12, No 2 | a571 | DOI: https://doi.org/10.4102/sajr.v12i2.571 | © 2008 S Wahab, R A Khan, E Ullah, A Wahab | This work is licensed under CC Attribution 4.0
Submitted: 25 February 2008 | Published: 05 March 2008

About the author(s)

S Wahab, Senior Resident, Deptt of Radiodiagnosis, JNMCH, AMU, Aligarh
R A Khan, Senior Resident, Paediatric Surgery, PGIMER, Chandigarh
E Ullah, Professor, Deptt of Radiodiagnosis, JNMCH, AMU, Aligarh
A Wahab, Senior Resident, Deppt of Medicine, JNMCH, AMU, Aligarh

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Abstract

Magnetic resonance imaging (MRI) is nowadays widely used as a noninvasive imaging modality for a wide variety of diseases and disorders. A patient placed in the MR system for scanning remains under the influence of powerful static magnetic field, rapidly varying gradient magnetic field and radiofrequency field in addition to the risk factors associated with gadolinium based MR contrast agents. At present, there is no conclusive evidence for adverse biological effects in patients undergoing MRI. However, a clear understanding of the various bioeffects associated with MRI diagnostics is necessary in order to ensure the safety of the patient as well as to justify its clinical use.

Keywords

Magnetic Resonance Imaging (MRI), static magnetic field, gradient magnetic field, radiofrequency field, bioeffects

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