Phantom Laboratory Catphan 503 - Quality Assurance and Computer Analysis; Sample Quality Assurance Program

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Sample quality assurance program
The following shows a sample QA program. Review the local governing requirements,
and the needs of your physicians and physicists when developing a QA program for your
institution. This program should only be utilized as a sample.
All tests should be conducted at initial acceptance and after major repair such as tube
replacement. Perform the weekly tests after each preventative maintenance.
Suggested frequency of tests:
Daily Weekly Monthly*
Positional verication • • •
Circular symmetry •
Scan slice geometry • •
Impulse response function •
Resolution • •
Low contrast • •
Contrast Sensitivity • •
Uniformity and noise characteristics • • •
*or following preventative maintenance