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RAWLE CONLIFFE

Thu. 12 Jan.06,
08:59

[Reply (2 of 4) to:
'Contrast MRA COW.'
started by: 'Marilia White'
on Thu. 3 Mar.05]

 
  Category: 
Contrast Agents
 
Contrast MRA COW.
ITS REALLY NOT NECESSARY TO ROUTINELY DO CE MRA OF THE "COW". BY UTILIZING A 3D SPOILED FAST GRE THEN MANUALLY RECONSTRUCTING THE MIP THE ARTERIES ARE SUFFICIENTLY ENHANCED.
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terry santos

Thu. 5 Jan.06,
23:54

[Reply (1 of 3) to:
'siemens impact expert'
started by: 'Angel Lara'
on Thu. 5 Jan.06]

 
  Category: 
Sequences and Imaging Parameters
 
siemens impact expert
shim system as normal

Then there should be a scout_silicone protocol.
tirm11_wss60b130.wlc TR 1530

If scout shows sillicone then use
tirm11_wss60b130.wlc TR 8568 4 mm cuts


If scout shows water only then use
tirm11_ss60b130.wlc TR 8568 4 mm cuts

The scout is :22 sec

The other sequences are 3:17
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Angel Lara

Thu. 5 Jan.06,
18:03

[Start of:
'siemens impact expert'
2 Replies]

 
  Category: 
Sequences and Imaging Parameters
 
siemens impact expert
Does anyone remember how to shim for silicon on numaris?

I am having trouble with breast implants, I do not know how to adjust center frequency for proper shimming of water and silicon.

Some images look like saline and some look like silicon.

Old machine and do not have accsess to applications. Any help will be greatly appreciated.
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GONZALO SOLIS

Tue. 22 Nov.05,
05:35

[Start of:
'usmarine2tim2'
0 Reply]

 
  Category: 
Basics and Physics
 
usmarine2tim2
Hello to all my fellow MR Technologists and / or students:
I have a few questions that I would greatly appreciate if someone could help me answer. The dead line is THIS Friday 25th 1000AM morning so please reply STAT
Please e mail me at USMARINE2TIM2@YAHOO.COM
1. . Breath hold duration of less than _________are
recommended when dealing with MR Arenal artery
scan?
a. 30sec
b. 25sec
c. 18sec
d. 8


2. . In renal angiography, what anatomical
landmark does the 3d slab need to cover just
anterior to?
a. Adrenal glands
b. Hepatic vein
c. Portal vein
d. Abdominal aorta



3. .What makes MRI a better choice than DSA for evaluation of a bilateral renal artery stenoses at the orgins of the renal arteries?
a. It is a noisier examination
b. The contrast used is less nephrotoxic than DSA
contrast
c. MRI has higher special resolution than DSA



4. Signal loss will result when further maturation of the clot produces which one of the following?
a. methemoglobin
b. hemosiderin
c. phagocytosis.
d. hemoglobin



5. .For cine gradient echo imaging with true FISP, which of the following statements is TRUE?
a. .images have better image contrast and acquisitions are faster than conventional cine gradient echo imaging
b. cine true FISP images can be performed on any MRI unit
c. to make true FISD images, intravenous gadolinium contrast is needed
d. .true FISP images cannot be used for breath- hold acquisitions because the sequence is too slow


6. Which one of the following statements is NOT

true about phase contrast imaging?
a. .phase contrast imaging is useful for measuring blood flow
b. .phase contrast images are ECG gated
c. .phase contrast images can be performed on most
scanners with cardiac imaging capabilities
d. phase contrast images required
intravenous gadolinium contrast
Thank you so much
Gonzalo RT (R) --future-Ã MR
God Bless
Reply to this thread
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Dan McGuan

Thu. 6 Oct.05,
20:30

[Reply (1 of 3) to:
'MR jobs'
started by: 'rajani subramanian'
on Thu. 30 Jun.05]

 
  Category: 
Jobs
 
MR jobs
Rajani,

If you have appropriate electronics training and experience it is relatively easy to get a job "servicing" MRI. R&D and other jobs are a little more difficult, but all manufacturers are looking for trainees in both their service and developement departments.

Start at the major OEM's websites (GE, Philips, Siemens, Hitachi, Toshiba etc.) and view their "career opportunities." I'm sure you'll find something.

Third party companies are also looking for trainees. Do a search on Google or Yahoo for "MRI Service" and you'll find many sites with job openings.

Good Luck,
Dan McGuan
 View the whole thread

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