Chapter 2: Safety and Regulatory
5495975-1EN Rev.9 2-46
© 2013-2017 General Electric Company. All rights reserved.
Dose Chart
Use Table 2-19 to compare film speed to dose values.
CAUTION Use the largest possible focal spot-to-skin distance to keep the patient
absorbed dose as small as possible.
CAUTION If no technical factors are present in the system for any view, the default
settings are:
– kV = 40
– ma = 25
– mAs = 0.25
– SID = 100cm
–Grid = In
These values are placeholders only. No exposures should be made until
the user selects values appropriate for the patient size.
Table 2-19 Dose Chart
Expected receptor Default Dose (µGy) at 80 kVp
is less than:
Equivalent Film Speed
16.00 100
12.90 125
10.00 160
8.00 200
6.25 250
5.00 320
4.00 400
3.20 500
2.50 640
2.00 800
1.60 1000
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