64 Slice MDCT Protocols: Coronary Arteries

Specific anatomic region

Coronary arteries

Application

Stent 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

B40

Reconstruction interval

.4 mm

Image order (acquisition)

cr-ca

Oral contrast

N/A

IV contrast volume and type

80 cc Visipaque / 40cc saline

Injection rate

4cc/sec

Scan delay (sec)

test bolus plus 6 sec

3D technique used

VRT & MPR

Comment:

  • Use a B40 algorithm for better detail
  • Success at stent visualization depends in part on the stent used.