Specific Anatomic RegionThoracic Aorta
ApplicationR/O dissection
AuthorFishman EK
Reference SourcePersonal communication
Scanner UsedSiemens Somatom Plus4
Injection Rate3ml/sec
Contrast Volume and Type100-120ml of Omnipaque-350
Area ScannedFrom diaphragm to lung apex
Scan Delay30sec
Length of Spiral (time)30-40sec
Slice Thickness3mm
Table Speed/Pitch5-6mm/sec
Reconstruction Interval2-3mm
3D Technique UsedVolume rendering
Comment: We scan from the bases upward to decrease the artifact off contrast in the axilla as well as to take advantage of optimizing patient breathhold.