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MRI Forum
'Meter'
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Susan Angelico

Thu. 15 Sep.05,
20:07

[Reply (1 of 3) to:
'3T imaging parameters'
started by: 'Nancy Dudek'
on Fri. 26 Aug.05]


 
  Category: 
Sequences and Imaging Parameters

 
3T imaging parameters
At 3T the T1 time is longer (so the TR should also be longer) and the T2 time is shorter (TE can be shorter). However, when we got a 3T machine we tested different TR and TE's and found out that in practice the useful range don't has a big difference from that of a 1.5T MR system.
The contrast looks a bit different - that's normal.
In addition, ask the manufacturer.
There are a lot of other parameters that affect the contrast in 3T.

Hope this will help
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Brad Johnson

Wed. 26 Jan.05,
03:57

[Reply (1 of 2) to:
'3T Pulsoxymeter'
started by: 'Lynn Dunkan'
on Wed. 3 Nov.04]


 
  Category: 
Equipment

 
3T Pulsoxymeter
Hi Lynn,
we use the pulse oximeter Nonin 8600 for our 1.5 T scanner as well as for the 3T system. I'm not sure whether it is tested for 3 T. At the 3 T system, we run the cable through filter boxes in the shielded scanner room, so there is no safety problem and we do not have artifacts.
It works well also for children.
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