Vascular

Abdominal aorta: Suspected aneurysm or dissection

Specific Anatomic Region

Abdominal Aorta

Application

Suspected aneurysm or dissection

Author

Fishman EK et al.

Reference Source

Personal communication

Scanner Used

Siemens Somatom Plus-4

Injection Rate

3cc/sec

Contrast Volume and Type

120-150cc

Area Scanned

From diaphragm to symphysis

Scan Delay

30sec

Length of Spiral (time)

35-40sec

Slice Thickness

3mm

Table Speed/Pitch

6mm/sec or pitch of 2

Reconstruction Interval

3mm

3D Technique Used

Volume rendering

Comment:

• Virtual angioscopy may be helpful in these cases.
• In older patients or in patients with decreased cardiac function we add an additional 5-10 sec delay.