Transcript QUIPPS II - University of Minnesota

QUIPPS II
1.
RF
GSS
Saturate volume of interest
QUIPPS II
1.
2.
RF
GSS
Saturate volume of interest
Tag (invert) incoming blood
QUIPPS II
1.
2.
3.
RF
GSS
Saturate volume of interest
Tag incoming blood
Kill bottom half of bolus
QUIPPS II
1.
2.
3.
4.
5.
Saturate volume of interest
Tag incoming blood
Kill bottom half of bolus
Wait for the rest to enter VOI
Read-out follows
Image
this pulse.
Time it takes tagged
bolus to reach VOI
RF
GSS
QUIPPS II
•
Perfusion image = control minus tagged
–
In tagged image, inverted spins from labeled blood decrease net
magnetization