Table 2.

CT Imaging parameters

Tube voltage	100 KVp,
Tube current	Determined by patient’s weight: <60Kg, 200mAs 60-90Kg, 350 mAs >90kg. 500 mAs
Rotation time	0.5 s or similar depending on scanner
Pitch	1:1 or similar depending on scanner
Field of View	15 cm or similar depending on scanner
Z-direction coverage	At least 60mm
Detector collimation	To be specified for each scanner model. Typically 64 slices
Slice thickness	3.0 mm
Reconstruction interval	2.0 mm or similar depending on scanner
Image time relative to onset of contrast material injection	Pre- contrast, 60s, 120s, 180s and 240s
Reconstruction algorithm	Siemens B30, GE Standard, Toshiba FC13. Iterative reconstruction (if available) to be switched off.