Specific anatomic region Coronary arteries
Application Bypass graft patency
Author Elliot K Fishman, MD
Reference Source JHU Protocol
Scanner Used Siemens Sensation 64
KV/Effective mAs/ Rotation time (sec) 120/ 800 / .33
Detector Collimation (mm) .6 mm
Slice thickness (mm) .75 mm
Pitch .2
Kernel B20
Reconstruction interval .4 mm
Image order (acquisition) cr-ca
Oral contrast N/A
IV contrast volume and type 80-100 cc Visipaque / 40cc saline
Injection rate 4cc/sec
Scan delay (sec) test bolus
3D technique used VRT/MIP/MPR
When scanning grafts like LIMA grafts you must scan from the lung apex downward to get origin of the graft in most cases.