MDCT PROTOCOLS

Chest

Heart: Calcium scoring Printer-ready protocol

Specific Anatomic Region Heart
Application Calcium scoring
Author Fishman EK
Reference Source Personal Communication
Scanner Used Siemens Plus4 Volume Zoom
KV / mAs / Time per Rotation (sec) 120 / 149 / .36 sec (partial rotation)
Detector Collimation (mm) 4x 2.5
Slice Thickness (mm) 3
Data Reconstruction Interval (mm) 3
Table Speed (mm per rotation) / Pitch N/A- Sequential study
Oral Contrast N/A
IV Contrast Volume and Type N/A
Injection Rate N/A
Scan Delay (sec) N/A
3D Technique Used N/A
Comment: -The key to this study is obtained data during diastole. This is a gated study which is key to its accuracy. The actual cardiac calcification scoring is a post processing function (See other section on cardiac CT).