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| Result: Searchterm 'ffe'
found in 134 messages |
| Result Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 [27] |
More Results:  Database (446) News Service (436) Resources (66) |
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john devonport
Wed. 14 Jul.04,
03:14
[Start of:
'Endorem Resovist'
1 Reply]
 Category:
Contrast Agents
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| Endorem Resovist |
We use Endorem for liver imaging. We will change to Resovist. Does anyone have experience with this new contrast agent? By now, we use post contrast a T2 weighted sequence with an echo time of 60 (1.5 T Intera). Do we have to pay attention to something, what’s different to Endorem?
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Tom Bellini
Mon. 14 Jun.04,
01:57
[Reply (1 of 3) to:
'Black Blood MRA'
started by: 'ranran zhao'
on Sun. 6 Jun.04]
Category:
Applications and Examinations
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| Black Blood MRA |
The black blood effect is a natural high contrast between blood and myocardium caused by the flow void of blood. Black blood techniques are for example used to demonstrate fatty infiltration of the right ventricular wall with right ventricular dysplasia. Black blood MRA is usual based on fast spin echo or inversion recovery sequences and seldom used as cine imaging. The advantage of this type of sequence consists of being less sensitive to respiratory and cardiac motion. Bright blood cine imaging is the standard method, but there are manufacturer with different techniques, e.g. Toshiba has a black blood cine technique.
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Schmidt Marga
Sat. 17 Apr.04,
20:41
[Reply (1 of 2) to:
'Moire fringing'
started by: 'Kelly Wimpey'
on Tue. 6 Apr.04]
Category:
Artifacts
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| Moire fringing |
Moire fringes are typical for gradient echo sequences, especially balanced sequences like for example true fisp, bFFE. The reasons are interferences and field inhomogeneities. High order shimming (volume shimming), a more suitable coil, a smaller bandwidth, and scanning not in the edges of the magnetic field will avoid or reduce this artifact. Also parallel imaging techniques can have a positive influence. If this artifact appears, also by using other sequences, a new field adjustment can be necessary (service).
Hope this will help.
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John Doe
Thu. 27 Nov.03,
22:12
[Reply (3 of 5) to:
'Preparation'
started by: 'Renate'
on Thu. 27 Nov.03]
Category:
Patient Care and Comfort
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| Preparation |
This can be solved by negative oral contrast
agents; some juices have also the effect to darken the stomach and bowel and can also be used as a contrast medium.
This prevents that liquid disturbs the image in the stomach and intestine field.
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