Difference between revisions of "CT angiography of the head"
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| − | == | + | ==Planning== |
| + | ===Alternative investigations=== | ||
| + | [[Magnetic resonance angiography of the head]] is indicated in: | ||
| + | *Less emergent situations, since it is generally less readily available. | ||
| + | *Contraindications to intravenous contrast, since it can visualize cerebral vessels without it. | ||
| + | |||
| + | ===Constructions=== | ||
Aneurysms are more readily visualized by thick slices such as 15mm, but thin slices such as 1.2 mm still need to be observed if there may be a focal occlusion or stenosis. | Aneurysms are more readily visualized by thick slices such as 15mm, but thin slices such as 1.2 mm still need to be observed if there may be a focal occlusion or stenosis. | ||
{{Bottom}} | {{Bottom}} | ||
Revision as of 10:12, 29 October 2018
Author:
Mikael Häggström [notes 1]
Planning
Alternative investigations
Magnetic resonance angiography of the head is indicated in:
- Less emergent situations, since it is generally less readily available.
- Contraindications to intravenous contrast, since it can visualize cerebral vessels without it.
Constructions
Aneurysms are more readily visualized by thick slices such as 15mm, but thin slices such as 1.2 mm still need to be observed if there may be a focal occlusion or stenosis.
Notes
- ↑ For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Radlines:Authorship for details.
