Specific Anatomic Region	Aorta (thoracic)
Application	Trauma
Author	Elliot K. Fishman, MD
Reference Source	JHU Protocol
Scanner Used	Siemens Sensation 64
KV/Effective mAs/Rotation time (sec)	120/250/0.33
Detector Collimation (mm)	0.6
Slice Thickness (mm)	5 and .75
Pitch	0.7
Kernel	30
Reconstruction Interval	5 and .5
Image Order (acquisition)	Cr-ca
Oral Contrast	N/A
IV contrast volume and type	100-120 cc of Omnipaque-350
Injection Rate	3-4 cc/sec
Scan delay (sec)	20-25 sec
3D technique used	VRT
Comment: We prefer to gate these studies and use either bolus tracking or a test bolus technique. Gating is ideal for the aortic root. A saline chaser is helpful for the arch to eliminate artifact off the SVC.