FREQUENTLY ASKED QUESTIONS

 

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Once you enact the phase encoding gradient and then sample at TE with the frequency encoding gradient, does the sample/slice/slab have discrete spin identifiers at each identifiable location along each column and row? I.E.: Row 1 has a specific phase, but frequency identification changes along the row. Row 2 would have different phase identity than row 1 (or any other row for that matter) and the frequency identification changes along the row. This would be the same for the entire sample. Why do we need to repeat the phase encoding process when it seems as though enough information is present after doing it one time?

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QUESTION #16

What kind of changes can we expect in an MRI image if we replace nonmagnetic capacitors on surface coil with magnetic capacitors?

QUESTION #17

I've read there are multiple k-spaces for each series, meaning that if you're scanning 30 slices you have 30 k-spaces, but my colleague said all the information from a sequence goes into only one K-space