MRI Physics and Registry Review: Sequences, Artifacts, and ARRT Practice Questions for Technologists

By Dorian M. Halwick

MRI physics becomes far more useful when you can predict what a parameter change will do before the image appears.

MRI Physics and Registry Review is designed to help technologists move beyond isolated facts and memorized tables by connecting the physics of MRI to the decisions made at the scanner. From safety and signal formation to pulse sequences, artifacts, image optimization, clinical protocols, and registry-style reasoning, this book builds a practical framework for understanding why MRI behaves the way it does.

Rather than treating exam preparation as a separate layer, the review is integrated into the learning process. Concepts are developed step by step, reinforced with worked examples and figures, and followed by original practice questions with answer keys and rationales that explain both the correct response and the reasoning behind the alternatives.

Inside, you will learn how to:

Connect TR, TE, TI, flip angle, echo train length, bandwidth, FOV, matrix, slice geometry, and NEX/NSA to contrast, SNR, CNR, spatial resolution, scan time, and artifact behavior.Understand magnetism, resonance, RF excitation, gradients, spatial localization, sampling, k-space, Fourier transformation, reconstruction, and system hardware.Compare major sequence families, including spin echo, fast spin echo, inversion recovery, STIR, FLAIR, gradient echo, steady state, EPI, diffusion, ADC, perfusion, SWI, MRA/MRV, Dixon techniques, parallel imaging, and gating.Recognize artifacts by appearance, trace them to their physical cause, and choose corrections that address the actual mechanism.Strengthen MR safety and patient-care reasoning involving screening, implants, zones, field-related hazards, emergency response, contrast, monitoring, communication, and professional scope.Apply the physics to neurologic, spine, body, and musculoskeletal imaging while reviewing positioning, coil selection, protocol choices, motion control, and troubleshooting.Practice calculations, integrated registry-style scenarios, and mixed decision-making instead of relying on recall alone.Finish with an original 80-question mixed mock examination, then use the error log, remediation matrix, and final-week study plan to identify weak areas and focus review where it matters most.

This book is written for MRI registry candidates, radiographers cross-training into MRI, students in MRI programs, and working technologists who want a stronger grasp of the physics behind everyday protocols. A basic background in imaging and patient care is helpful, but previous MRI experience is not required.

If you want a review resource that helps you understand the mechanism, predict the image consequence, troubleshoot the problem, and reason through the question, MRI Physics and Registry Review is built for that work.

This is an independent educational study-preparation resource. It is not affiliated with or endorsed by ARRT, and its practice questions are original rather than reproduced from any actual examination.

• Format: Paperback
• Language: English
• ISBN: B0HKM12J8W
• ISBN13: 9798176257274
• Release Date: September 2026
• Publisher: Independently Published
• Length: 576 Pages
• Weight: 2.90 lbs.
• Dimensions: 1.2" x 8.5" x 11.0"