Specific Anatomic RegionChest
ApplicationSuspected pulmonary embolism
AuthorFishman EK
Reference SourcePersonal communication
Scanner UsedSiemens Somatom Plus 4
Injection Rate3 ml/sec
Contrast Volume and Type120ml of Omnipaque 350
Area ScannedLevel above aortic arch through lung bases
Scan Delay25 sec
Length of Spiral (time)30-35 sec
Slice Thickness3 mm
Table Speed/Pitch5 mm/sec
Reconstruction Interval2 mm
3D Technique UsedVolume Rendering or MPR
Comment: We will scan from the lung bases upward to take advantage of better patient cooperation with breathholding in this critical region. Recent work suggests that Visipaque may be valuable due to better opacification of smaller vessels.