CAMRT: Artifacts Exam | Questions with 100% Correct Answers | Verified | Latest Update 2026/2027

CAMRT: Artifacts Exam | Questions with 100%
Correct Answers | Verified | Latest Update
2026/2027

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Terms in this set (81)



Name the most common artifact Phase mismapping/ghost artifact
seen on MRI


What is phase mismapping? When anatomy moves along the phase encoding
gradient


Name examples on what could Swallowing, breathing, eye movement, pulsations
cause phase mismapping of vessels/CSF


Name the artifact Phase mismapping




Phase mismapping always occurs in Phase-encoding axis
the ___________ axis. Why? Due to the delay between the phase encoding
gradient and readout, and motion occuring
between each phase code

, Name ways to reduce phase Swap phase and frequency direction
mismapping (7 ways) Presaturation pulses
Respiratory compensation techniques
Respiratory gating/triggering
Cardiac triggering
Multiple NSA/NEX
Gradient moment rephasing (flow compensation)


What is aliasing? Anatomy outside the FOV is wrapped into the FOV


What direction can wrap occur in? Both phase and frequency direction


Name the artifact Aliasing




Name the artifact Aliasing




Name the artifact Aliasing