Artifacts caused by anatomy "moves" can be remedied by

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The anatomy "moves" between these steps and become mismapped into the field of view when the image is read out during the frequency encoding step (see Figure 14-15).This artifact can be remedied by changing the phase encoding direction, swapping phase, and frequency encoding directions (x and y, as discussed earlier).Many other techniques can also be used, such as presaturation pulses, respiratory compensation techniques, or gating.

Artifacts Caused by Anatomy "Moves" Can Be Remedied by