Specific Anatomic RegionPulmonary artery
ApplicationR/O pulmonary embolism
AuthorFishman EK
Reference SourcePersonal Communication
Scanner UsedSiemens Plus4 Volume Zoom
KV / mAs / Time per Rotation (sec)140/100/.5 OR 140/100/.5
Detector Collimation (mm)2.5 | 1
Slice Thickness (mm)3 | 1
Data Reconstruction Interval (mm)2 | 1
Table Speed (mm per rotation) / Pitch15/6 | 6/6
Oral ContrastN/A
IV Contrast Volume and Type100-120 cc of Omnipaque 350
Injection Rate3 cc/sec
Scan Delay (sec)20-25 sec
3D Technique UsedMPR or volume rendering (as needed)
MPR or volume rendering can be done in select cases to differentiate a node from a vessel.