80 x 80 mm
Small Standard 85 6.0 6.0 36.0 1.88 1.67
Medium Standard 85 8.0 6.0 48.0 2.45 2.18
Large Standard 85 10.0 6.0 60.0 3.04 2.70
Small Medium 85 6.0 7.2 43.2 2.10 1.87
Medium Medium 85 8.0 7.2 57.6 2.81 2.50
Large Medium 85 10.0 7.2 72.0 3.59 3.20
Small High 85 6.0 9.0 54.0 2.65 2.36
Medium High 85 8.0 9.0 72.0 3.54 3.16
Large High 85 10.0 9.0 90.0 4.33 3.85
110 x 80 mm
Small Standard 85 6.0 6.0 36.0 1.97 1.76
Medium Standard 85 8.0 6.0 48.0 2.88 2.56
Large Standard 85 10.0 6.0 60.0 3.46 3.08
Small Medium 85 6.0 7.2 43.2 2.37 2.11
Medium Medium 85 8.0 7.2 57.6 3.30 2.94
Large Medium 85 10.0 7.2 72.0 4.21 3.75
Small High 85 6.0 9.0 54.0 3.24 2.89
Medium High 85 8.0 9.0 72.0 4.07 3.63
Large High 85 10.0 9.0 90.0 4.89 4.36
Patient selection: child
FOV Size Quality
Tube
Voltage
[kV]
Anodic
Current
[mA]
Exposure
Duration
[s]
Current
Time
Product
[mAs]
CTDI
[mGy]
CTDI
normalized
40 x 40 mm
Small Standard 80 6.0 6.0 36.0 0.49 0.44
Medium Standard 80 8.0 6.0 48.0 0.74 0.66
Large Standard 80 10.0 6.0 60.0 0.81 0.72
Small Medium 80 6.0 7.2 43.2 0.65 0.58
Medium Medium 80 8.0 7.2 57.6 0.82 0.73
Large Medium 80 10.0 7.2 72.0 1.13 1.01
Small High 80 6.0 9.0 54.0 0.58 0.51
Medium High 80 8.0 9.0 72.0 1.07 0.95
Large High 80 10.0 9.0 80.0 1.26 1.12