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| Result: Searchterm 'Meter'
found in 42 messages |
| Result Pages: 1 2 3 4 5 6 [7] 8 9 |
More Results:  Database (127) News Service (31) Resources (36) |
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harry sanders
Sat. 7 Jun.08,
12:59
[Start of:
'Regarding recovery and decay [basic phycisc]'
2 Replies]
 Category:
Basics and Physics
|
| Regarding recovery and decay [basic phycisc] |
Hi there,
I'm studying on some basic MRI physics. And my study book tells me when the RF pulse has been switched of the amount of magnetisation in the longitudinal plane increases and at the same time but idependently the amount of magnetisation in the transverse plane decreases. I was wondering if some one could explain to me why these 2 parameters do not have an influence on eachother. It seems way more logic to me that the recovery of longitudinal plane is because of the decrease of transverse plane. Sorry for my bad english and I hope some one could give me an explanation!
Yours,
Harry
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Reader Mail
Wed. 28 May.08,
20:14
[Reply (1 of 3) to:
'Artifacts'
started by: 'Reader Mail'
on Sun. 25 May.08]
Category:
Artifacts
|
| Artifacts |
Hi,
look for the lamp bulbs or equipment using alternating current inside the room.
Also peripheral equipment, like ECG, pulse oximeters, etc. can cause artifacts.
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px wei
Mon. 7 Apr.08,
15:02
[Start of:
'how to get phase and magnitude images in GE1.5T?'
0 Reply]
Category:
Devices, Scanner, Machines
|
| how to get phase and magnitude images in GE1.5T? |
Hi, can anyone show me the methods to get phase and magnitude images in GE 1.5T scanner?
In Siemens scanner, the images can be acquired by selecting reconstruction of Magn./Phas on the contrast part of the parameter card, but I fail to find such a way in GE scanner.
Thanks in advance.
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Reader Mail
Sun. 27 Jan.08,
08:47
[Start of:
'Plz Answer this ... Contrast MRI of Brain'
1 Reply]
Category:
Applications and Examinations
|
| Plz Answer this ... Contrast MRI of Brain |
Pre and Post contrast mri of the brain was performed in multiple planes using T1 & T2 W spin-echo sequence.
There is small ring enhancing lesion in the left occipitoparietal lobe which measures 1cm in diameter.It reveals isointense periphery on T1 & T2W images with hyperintense core on T2W images. On T1W images the core appears hypointense . A tiny mural nodule is seen within the lesion. focal perilesional edema is seen appearing hyperintense on FLAIR and T2W images.
The brainstem & cerebellum are normal.
The ventricular system is normal.
No abnormal meningeal enhancement is seen.
Intracranial vessels display normal flow void.
What needs to be done?? How serious the problem is??
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andri anto
Mon. 14 May.07,
14:26
[Start of:
'Help!!!'
0 Reply]
Category:
Sequences and Imaging Parameters
|
| Help!!! |
Anyone!!! give me data about Sequences and Imaging Parameters for MRI Thosiba. I'm at drandri_77@yahoo.com
Help me please....
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