83
Children
Tips
• Children with a body weight of more than 54 kg
should be examined with an adult protocol.
• The first and second recon jobs are defined for
visualization of the mediastinum and the lungs,
respectively.
Contrast medium IV injection
Start delay exam dependent
Flow rate dependent upon needle size/Access site
Total amount 1–2 ml per kg of body weight
* The conversion factor for an 8-week-old, and a scan
range of 100 mm was used.
** The conversion factor for a 7-year-old and a scan
range of 150 mm was used.
Body weight kV mAs CTDIwEffective dose
(mGy) (mSv)
< 15 kg 120 17 1.2 Male: 0.6*
Female: 0.8*
15 – 24 kg 120 20 1.4
25 – 34 kg 120 30 2.1 Male: 0.9**
Female: 1.1**
35 – 44 kg 120 50 3.5
45 – 54 kg 120 70 4.9