Specific Anatomic Region

Pulmonary Artery

Application

R/O pulmonary embolism

Author

Fishman, E.K.

Reference Source

Personal communication

Scanner Used

Siemens Somatom Plus 4

Injection Rate

3ml/sec

Contrast Volume and Type

120ml of Omnipaque 350

Area Scanned

Level of just above aortic arch through lung bases

Scan Delay

25sec

Length of Spiral (time)

30-35sec

Slice Thickness

3mm

Table Speed/Pitch

5mm/sec

Reconstruction Interval

2mm

3D Technique Used

Volume rendering / MIP/ MPR

Comment:

• We routinely scan the patient caudal to cranially to optimize the patient's breathhold.
• A key to detecting a P.E. is careful attention to proper filming technique. If images are too bright you can miss a P.E
• It is often easier to read these studies on a workstation than on film.