Abdominal Aorta Flashcards
1
Q
What are the branches of the Abdominal aorta
A
2
Q
What are the anterior relations of the aorta?
A
- Celiac trunk and branches
- SMA
- Body of the pancreas
- 3rd part of duodenum
- Root of mesentery
- Splenic vein
- Left renal vein
3
Q
What are the surface markings of the transpyloric plane?
A
Located halfway between the jugular notch and the upper border of the pubic symphysis
4
Q
Identify the lesion on this CT
A
Saccular Infrarenal AAA
5
Q
What is an aneurysm?
A
Abnormal dilatation of the wall of an artery.
6
Q
What is the pathogenesis of an aneurysm?
A
Median cystic necrosis (true aneurysm), post-traumatic (false aneurysm)
7
Q
What are the causes (risk factors) of an aneurysm?
A
- Age, Smokin, alcohol
- HTN, Atherosclerosis
- Marfan syndrome, Ehlers Danlos
- Syphilis
- Family History
8
Q
What is a dissecting aneurysm?
A
Separation of the layers of the arterial wall with propagation of dissection proximally and distally
9
Q
What are the complications of an aneurysm?
A
- Hemorrhage due to rupture
- Ascending aorta—> acute MI
- Arch of aorta —> stroke
