Radiologist Assistant Curriculum - American Society of Radiologic ...

Content
I. Fluoroscopy
A. Clinical advantages
1. Demonstration of motion — dynamic anatomy (peristalsis)
B. Components of fluoroscopic units
1. Table
2. Radiation source
3. Image intensifier carriage
a. Table controls
b. Fluoro controls
c. Image controls
4. Optics system
a. Video interface
b. Image recording devices
c. Video monitor
5. Locks and angle indicators (mobile)
6. Structural provisions for radiation shielding
a. When used routinely in one area for both fixed and mobile equipment
7. Equipment provisions
a. Source-to-skin distance (SSD) control
b. Control of radiation field
c. Maximum exposure rate
d. Lead apron requirements
e. Maximum entrance dose vs. equipment setup and technique
f. Scatter/isodose curves in relation to mobile equipment setup and personnel
placement
8. Limiting the use of “high level control” or “boost position” during fluoroscopy
9. Personnel monitoring of radiation exposure
10. Image recording, archiving and retrieval
C. Technical factors affecting the radiation dose rate for patients and operators
1. Direct factors
a. Milliamperage (mA)
b. Peak kilovoltage (kVp)
c. Collimation
1) Impact on integral dose
d. Filtration
1) Inherent and added
e. Exposure time
f. Source-to-skin distance
g. Grids
h. Pulse fluoroscopy
2. Indirect factors
a. Fluoroscopic room lighting
b. Poor image receptor quality
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