MRI for radiographers
This book gives a concise yet comprehensive description of the essential aspects of Magnetic Resonance Imaging (MRI). The authors have aimed to incorporate as many aspects of MRI as possible from basic principles to advanced topics and to explain them in terms which can be understood by anyone regardless of their MRI experience. Included in this are descriptions of instrumentation and methods as well as a practical guide to safety and techniques. The authors' treatment of the subject distinguishes the book from other introductory texts by virtue of the extensive use of figures and tables.
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256 reconstruction matrix 2DFT 3DFT acquired acquisition allows angiography artifacts axial plane blood brain cardiac cardiac cycle cause chemical shift Contrast Enhancement coronal plane demonstrating detected echo image echo pulse sequence effect encoding fast spin echo ferromagnetic field strength flip angle frequency frequency-encoding fringe fields gradient echo sequence haematoma high signal Hyperintense i.v. contrast medium image TR 450 Larmor equation Larmor frequency lesion longitudinal magnet room magnetic field main magnetic field motion Patient Positioning phase phase-encoding direction precess produce proton density protons pulse sequence radiofrequency radiofrequency pulse reduce relaxation rephasing result RF pulse RF shielding sagittal plane Sagittal SE Tl-weighted saturation scanner Scanning Planes sensitive shimming showing signal intensity signal loss slice thickness spin echo pulse spin echo sequence STIR sequence surface coil T2-weighted sequences tion tissue Tl-weighted image TR transverse magnetisation tumours vascular vessels visualisation voxel wraparound