Specific anatomic region Cardiac Routine (.33 sec)
Application Evaluate for anomalous coronary arteries
Author Elliot K Fishman, MD
Reference Source JHU Protocol
Scanner Used Siemens Sensation 64
KV/Effective mAs/ Rotation time (sec) 120/ 850 / .33
Detector Collimation (mm) .6
Slice thickness (mm) .75
Pitch .2
Kernel B20
Reconstruction interval .4 (for 10 series at 0-90%)
Image order (acquisition) Cr-ca
Oral contrast N/A
IV contrast volume and type 80 cc Visipaque 320 / 40 cc saline
Injection rate 4cc/sec
Scan delay (sec) Test bolus + 6 sec delay time
3D technique used VRT/MIP
  • We use InSpace for post processing. InSpace 2005A is ideal.
  • 3D mapping is required for optimal visualization of the coronary arteries. A combination of MIP and VRT is key.
  • 4D images are routinely reviewed to get the best sequence for each coronary artery.