Scanning protocol

Acquisition parameters

Enhancement phase

Unenhanced

Arterial

Scout (topogram)

Anterior-Posterior

Anterior-Posterior

Patient position

Supine

Supine

Scan range

From neck arch to mid femur

From neck arch to mid femur

Scan direction

Cephalo caudal

Cephalo caudal

Tube voltage (kVp)

120

120

Effective mAs

200 to 280

200 to 280

Gantry rotation time (s)

0.33 or 0.37

0.33 or 0.37

Slice collimation (mm)

64 × 0.6

64 × 0.6

Pitch

0.75 or 0.9 (dependent on mAs)

0.75 or 0.9 (dependent on mAs)

Table feed (mm/rotation)

14.4 or 17.28 (dependent on mAs)

14.4 or 17.28 (dependent on mAs)