2016_Imaging for Physicists

Some ‘Fast’ Terminology?

• Multi or single-shot Related to number of TRs required to acquire FULL k-space • Partial k-space Speed up image sequence by NOT acquiring complete k-space • Partial and Reduced Flip Less than 90 ° flip angles and less than 180 ° refocusing pulses respectively • Echo Train Closely spaced signal echoes (with a certain echo spacing ) within one TR • Parallel Imaging Use of multi-coil sensitivities to speed up image acquisition Terms you will hear…