Motion-related Artifacts
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Motion Artifacts Q&A's
- Why do motion artifacts often form into discrete ghosts?
- Why are motion artifacts propagated in the phase-encode direction instead of the frequency-encode direction?
- How can motion artifacts be reduced or eliminated?
- How do saturation pulses work?
- How are cardiac and respiratory gating performed?
- What is respiratory compensation? How does this differ from respiratory gating?
- What are navigator echoes and how do they reduce motion artifacts?
- How does PROPELLER reduce motion artifacts?
Motion Artifacts Topics