Scan mode

Dual scano

Volume scan (target CTA)

Bolus tracking

Volume scan (prospective CTA)

Tube voltage (kV)

120

120

120

120

Tube current (mA)

10

90

20

450

Scan length (mm)

400

128

2

128

Slice No^*

9 - 24

16 - 21

16

16 - 21

Field of view

320 (M)

320 (M)

320 (M)

Scan time (sec)

2.55

Active time (sec)

0.275

Cardiac phase (%)

75

70 - 80

Beat

1

1

CTDIvol (mGy)

2.2

13.4

11.5

DLP (mGy∙cm)

29.6

2.7

151.2