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3.1 Testing Summary
Chapter 3
3.1.1 Test Items
z
Xpress Digital Mammography System Medical Physicist QC activities
Test No. Test Item Action Criteria
1 Physical Inspection C
2 Tube Voltage Measurement and Reproducibility C
3 Beam Quality C
4 Radiation Output Rate C
5 Average Glandular Dose A
6 View Boxes and Viewing Conditions B
7 Printer QC B
8 Monitor QC B
9 Dark Noise A
10 Ghost Image Evaluation A
11 S value Response Indicator C
12 AEC Performance Checks C
13 Collimator Assessment C
14 CR Reader Scanner Performance A/B*
15 Spatial Resolution A
16 Artifact Evaluation C
17 Inter-Plate Consistency C
18 Phantom Image Quality A/B*
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Action Criteria
A Corrective action required before any further patient examinations
B
Corrective action required before the device can be used for mammographic image interpretation (Use of an alter-
nate diagnostic review device can continue)
C Corrective action required within 30 days of the test date
* If the source of the problem is identied as a device used for image interpretation (i.e. laser printer, physician's review workstation)
the action criteria is "B"; otherwise the action criteria is "A"
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