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- W1967736743 abstract "Learning the basic concepts required to understand magnetic resonance (MR) imaging is a straightforward process. Although the individual concepts are simple, there are many concepts to learn and retain simultaneously; this situation may give the illusion that learning the physics of MR imaging is complicated. It is important for the radiologist who interprets MR images to understand the methods used to create the images because image contrast specifically depends on how the image data were acquired. Initial concepts include formation of magnetic fields from electric currents in loops of wire, the resonance phenomenon, the hydrogen proton and its frequency of precession, and absorption of radiofrequency energy. These concepts can then be applied to learn about T1 and T2 relaxation and contrast and how the acquisition parameters of echo time and repetition time can be used to achieve these image contrasts. Basic pulse sequences include the spin-echo, multiecho spin-echo, turbo spin-echo, inversion-recovery, and gradient-recalled-echo sequences. © RSNA, 2005" @default.
- W1967736743 created "2016-06-24" @default.
- W1967736743 creator A5009266169 @default.
- W1967736743 date "2005-07-01" @default.
- W1967736743 modified "2023-10-07" @default.
- W1967736743 title "Fundamental Physics of MR Imaging" @default.
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- W1967736743 doi "https://doi.org/10.1148/rg.254055027" @default.
- W1967736743 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/16009826" @default.
- W1967736743 hasPublicationYear "2005" @default.
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