The MRI Study Guide for Technologists de Kenneth S. Meacham

The MRI Study Guide for Technologists

Kenneth S. Meacham

en Limba Engleză Paperback – 13 iun 1995

Beginning in 1995, the American Association of Radiographic Technologists will offer a Registry Exam for technologists who wish to be certified in the administration of Magnetic Resonance Imaging equipment. The MRI Study Guide for Technologists offers comprehensive review questions covering the basic areas, principles, equipment, and terminology to help provide readers with the highest level of preparation for the Registry Exam. Contains over 900 multiple choice and fill-in questions. Includes a bibliography of highly recommended books for further reading.

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Cuprins

Section 1 — History.- Magnetism.- MRI.- Section 2 — Basic Principles.- Atomic Structure.- Basic Magnetism.- Nuclear Magnetism.- Alignment.- Precession.- Resonance.- Relaxation.- Signal Production.- Timing Parameters.- Section 3 — Image Weighting and Contrast.- T1 Contrast.- T2 Contrast.- Proton Density Contrast.- T2* Decay.- Tissue Relaxation Times.- Tissue Relaxation Charts.- Section 4 — Image Production.- Gradients.- Spacial Encoding.- Fourier Transformation.- K Space.- Image Quality.- Image Parameters.- Image Acquisition.- Section 5 — Pulse Sequences.- Spin Echo Pulse Sequences.- Gradient Echo Pulse Sequences.- Section 6 — Artifacts and Corrections.- Phase Mismapping.- Aliasing.- Chemical Shift.- Chemical Misregistration.- Gibbs.- Magnetic Susceptibility.- Zipper.- Cross Excitation.- Cross Talk.- Shading.- Section 7 — Flow Phenomena / Vascular Imaging / Cardiac Imaging.- Types of Flow.- Time of Flight.- Entry Slice Phenomena.- Intravoxel Dephasing.- 2D and 3D TOF MRA.- 2D and 3D PC MRA.- Gating.- Section 8 — Instrumentation.- Magnets.- Gradients.- Coils.- Cryogens.- Prescan.- Section 9 — Safety / Biological Effects / Contrast Media.- Patient Screening.- Patient Monitoring.- Safety Precautions.- Static Magnetic Fields.- Radio Frequency.- Gradient Magnetic Fields.- Relaxivity.- Administration.- Application.- Side Effects.- Section 10 — Cross Sectional Anatomy.- Brain Spine Shoulder.- Spine.- Shoulder.- Knee.- Chest.- Abdomen.- Pelvis.- Heart.- Arteries.- Circle of Willis / Aortic Arch / Carotids.- Anatomy and Exercise Answers.