South Carolina Code of Regulations
Chapter 61 - DEPARTMENT OF HEALTH AND ENVIRONMENTAL CONTROL
Subchapter 61-64 - X-Rays (Title B)
Part IV - USE OF X-RAYS IN THE HEALTH PROFESSIONS
Appendix 61-64.IV.D - Patient Exposure Guide
Medical ESEs Compliance with RHB 4.2.13.2 shall be considered adequate if the patient's exposure at skin entrance (ESE) does not exceed the limits for the anatomical thicknesses listed below. Facilities utilizing digital imaging systems shall not exceed the ESE Limits as outlined for a 200 speed system.
ESE Limits
|
Exam Type |
Thickness |
200 Speed/Digital (mR) |
400 Speed (mR) |
|
PA Chest - Grid - Non Grid |
23 cm |
38 23 |
23 8 |
|
AP Abdomen |
23 cm |
735 |
450 |
|
AP Lumbar Spine |
23 cm |
675 |
525 |
|
Full Spine (AP) |
23 cm |
390 |
218 |
|
AP Cervical Spine |
13 cm |
203 |
142 |
|
Lateral Skull |
15 cm |
218 |
105 |
|
Ret Pyelogram (AP) |
23 cm |
893 |
893 |
|
Thoracic Spine (AP) |
23 cm |
612 |
612 |
|
DP Foot |
8 cm |
111 |
111 |
|
Cephalometric |
15 cm |
45 |
45 |
Notes:
a) Patient thicknesses are expressed in centimeters (cm).
b) All measurements are made in air (no phantom).
c) If the film/screen speed cannot be determined, it will be assumed to be 200 speed.
Mammography ESEs: Refer to RHB 5.13.5.10 Dental Intraoral ESEs:
Compliance with RHB 4.2.13.2 shall be considered adequate if the patient's exposure at skin entrance (ESE) does not exceed the limits listed below. Facilities utilizing digital imaging systems shall not exceed the ESE Limits as outlined for a "D" speed film system.
|
kVp |
"D" Speed Film and Digital |
"E" and "F" Speed Film |
|
ESE Limits (mR) |
ESE Limits (mR) |
|
|
50 |
690 |
384 |
|
55 |
600 |
324 |
|
60 |
528 |
276 |
|
65 |
480 |
240 |
|
70 |
420 |
204 |
|
75 |
312 |
168 |
|
80 |
276 |
144 |
|
85 |
240 |
126 |
|
90 |
216 |
108 |
|
95 |
192 |
64 |
|
100 |
168 |
56 |
