Aneurysms Flashcards
1
Q
What is an aneurysm?
A
Bulge in blood vessel caused by weakness in blood vessel wall
2
Q
What conditions are aneurysms associated with?
A
- PKD
- Fibromuscular dysplasia
- Ehlers-Danlos
3
Q
Risk factors for aneurysms?
A
Increased age
Female
Smoking
HT
4
Q
What circulation do most aneurysms arise in?
A
Anterior circulation
5
Q
Where are aneurysms generally found?
A
Circle of Willis at the branching points of major arteries
6
Q
Most common locations for aneurysms?
A
- Junction of anterior communicating with anterior cerebral
- Junction of posterior communication with internal carotid
7
Q
What often results in SA haemorrhage?
A
Saccular aneurysm (berry)
8
Q
What are fusiform aneurysms often due to?
A
HT
9
Q
What can mycotic aneurysms result from ?
A
Septic emboli (infection damages the artery)