Normal abdominal aorta

AA normal.gif

Abdominal aorta

Use the vertebral body as your landmark. The aorta sits above this with the IVC on the left of screen. Start proximal and slide distally until the aorta bifurcates.

<3cm is normal for AA.

<1.5 normal for iliac arteries.


Abdominal aortic aneurysm (AAA)

AAA (4.6cm) with intraluminal thrombus

AAA (4.6cm outer wall to outer wall) with intraluminal thrombus

Abdominal aortic dissection

Suprarsternal notch view

Aortic arch suprasternal.gif

Normal suprasternal view of aortic arch