You pay for the noise reduction; the parameter 'whisper' reduces the gradient performance. Db/dt (and the noise of the scanner is depended on db/dt) is directly proportional to the gradient performance (slew rate).
this is a t2* or gradient echo and we use this for all head trauma pt's and to look for old blood in the brain.
gre trauma ax comes from a ge protocol and thats
what ge named that sequence.
I need some help with the DTI 25 gradient directions on GE signa excite.
I'm a neuropsychology researcher and i receive some data with this protocol, but the technician cannot tell me the matrix that i need to process it. It's somthing like this:
Why do we need to rephase spins in outer-volume regions after their excitation, still applying a crusher gradient afterward? Is this not too much work, rephasing and then dephasing them?
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