TOMOGRAPHIC UNITS QUALITY CONTROL TESTS
Section I. CUT LEVEL INDICATOR TEST
The cut level indicator test is performed to determine the accuracy of the cut level
indicator (the exposure angle). This is one of several areas that must be checked on a
timely basis to ensure that the best radiograph is being produced. By routinely checking
the six variables on the tomographic unit, you can usually detect early problems and
take corrective action before the imaging is seriously impaired.
a. A 45 degree tomographic wedge with a centimeter scale.
b. Three quarter-inch thick Plexiglas attenuator blocks.
c. A 10- x 12-inch cassette.
d. Recording form.
a. Prepare the equipment to be tested (see figure 6-1).
Figure 6-1. Technologist preparing machine to be tested.