Performing an MR Scan
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Let me begin by saying that I have great respect for MRI technologists. Over my career I have learned much, and continue to learn much from them. The brevity of the answers in this section is not intended to minimize the difficulty and complexity of what they do, nor their importance.
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Performing an MR Scan Q&A's
- What are the steps a technologist goes through to perform an MRI scan?
- What is the scanner doing during the automatic pre-scan period?
- Is additional shimming really needed as a part of the pre-scan process?
- Why must coil tuning and matching be performed, and how is it done?
- Please explain how and why the center frequency must be adjusted.
- What is the purpose of adjusting the transmitter gain/attenuation?
- Why is receiver gain adjustment necessary? What happens if it is set incorrectly?
- What are dummy cycles and why are they needed?
- Where did my fMRI (or DTI or MRS or perfusion) raw data go?
- What training or certification do you need to become an MRI technologist?
Performing an MR Scan Topics