Subarachnoid hemorrhage MRI: Difference between revisions
Jump to navigation
Jump to search
| Line 3: | Line 3: | ||
{{CMG}}; '''Associate Editor(s)-In-Chief:''' {{CZ}} | {{CMG}}; '''Associate Editor(s)-In-Chief:''' {{CZ}} | ||
== MRI == | == MRI == | ||
*Fluid-attenuated inversion recovery (FLAIR) is the most sensitive MRI pulse sequence for the detection of SAH. | *Fluid-attenuated inversion recovery (FLAIR) is the most sensitive MRI pulse sequence for the detection of SAH. SAH appears as high-intensity signal in normally low signal CSF spaces. | ||
*T2- and T2*-weighted images can potentially demonstrate SAH as low signal intensity in normally high-signal subarachnoid spaces. | *T2- and T2*-weighted images can potentially demonstrate SAH as low signal intensity in normally high-signal subarachnoid spaces. | ||
*On T1-weighted images, acute SAH may appear as intermediate- or high-intensity signal in the subarachnoid space. | *On T1-weighted images, acute SAH may appear as intermediate- or high-intensity signal in the subarachnoid space. | ||
*MR angiography may be useful in the evaluation of | *MR angiography may be useful in the evaluation of [[aneurysm]]s and other vascular lesions that cause SAH. | ||
==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
Revision as of 19:40, 13 February 2013
|
Subarachnoid Hemorrhage Microchapters |
|
Diagnosis |
|---|
|
Treatment |
|
AHA/ASA Guidelines for the Management of Aneurysmal Subarachnoid Hemorrhage (2012)
|
|
Case Studies |
|
Subarachnoid hemorrhage MRI On the Web |
|
American Roentgen Ray Society Images of Subarachnoid hemorrhage MRI |
|
Risk calculators and risk factors for Subarachnoid hemorrhage MRI |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]
MRI
- Fluid-attenuated inversion recovery (FLAIR) is the most sensitive MRI pulse sequence for the detection of SAH. SAH appears as high-intensity signal in normally low signal CSF spaces.
- T2- and T2*-weighted images can potentially demonstrate SAH as low signal intensity in normally high-signal subarachnoid spaces.
- On T1-weighted images, acute SAH may appear as intermediate- or high-intensity signal in the subarachnoid space.
- MR angiography may be useful in the evaluation of aneurysms and other vascular lesions that cause SAH.