MDCT PROTOCOLS

Chest

Suspected pulmonary embolism (optimal) Printer-ready protocol

Specific Anatomic Region Chest
Application Suspected pulmonary embolism (optimal)
Author Fishman EK
Reference Source Personal Communication
Scanner Used Siemens Plus4 Volume Zoom
KV / mAs / Time per Rotation (sec) 140 / 100 / .5
Detector Collimation (mm) 1
Slice Thickness (mm) 1.25
Data Reconstruction Interval (mm) 1
Table Speed (mm per rotation) / Pitch 6 / 6
Oral Contrast N/A
IV Contrast Volume and Type 120 cc of Omnipaque 350
Injection Rate 3 cc / sec
Scan Delay (sec) 25 sec
3D Technique Used MPR & Volume rendering as needed

Comments:

  • Will this technique solve indeterminate cases, or will the increased breathhold cause new problems?
  • Scanning from diaphragm upward is still preferred.