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'Spin Echo Sequence'
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David Brooks

Tue. 22 Dec.09,
02:35

[Start of:
'Scan equation I don't get, HELP'
2 Replies]


 
  Category: 
Basics and Physics

 
Scan equation I don't get, HELP
Here's the question:
The approximate scan time of a rapid spin echo sequence with a TR of 3500ms, a TE of 90ms, a 256x256 matrix, 1 exicitation, a 220mm FOV and an echo train length of 5 is______ minutes.

Formal they give is 3500msx1x256/5=?
a.3
b. 8
c. 11
d. 15

I get 179200. What am I missing in my studies and the math?
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