Specific Anatomic RegionThorax
ApplicationPulmonary embolism
AuthorElliot K. Fishman, MD
Reference SourceJHU protocol
Scanner UsedSiemens Somatom Sensation 16
KV / Effective mAs / Rotation time (sec) 120 / 130 / 0.5
Detector Collimation (mm) 0.75 or 1.5
Slice Thickness (mm) 1 or 2
Feed / Rotation (mm) 15.0
Kernel B30f
Increment (mm)1 or 2
Image Ordercr-ca or ca-cr
Oral ContrastN/A
IV Contrast Volume and Type100-120 cc
Injection Rate3-4 cc/ sec
Scan Delay (sec)23-28 sec
3D Technique UsedReal time thin slab VRT or MIP
Comment: -2nd Recon: 5x5 lung B80 or 1.25 x 3 provides HRCT to accompany the study.
- The images can be acquired in a caudal/cranial direction to limit motion related artifact and artifact related to contrast in SVC and right side of heart.