Testing Summary; Action Criteria - Konica Minolta CS-3 Quality Control Manual

2 .1

Testing Summary

This section of the document applies to those procedures required to execute the technologist role in the QC of the
Xpress Digital Mammography System .
This section provides the following information:
• Test objectives .
• Recommended frequency to perform the test item .
• Required equipment .
• Procedures to perform the tests .
• Performance criteria and corrective action .
• Documentation .
2 .1 .1 Test Items, Testing Frequency and Action Criteria
z Xpress Digital Mammography System Technologist QC activities
Test No .
1 Daily Operational Checks
2 Printer QC
3 View Boxes and Viewing Conditions
4a
Monitor QC
4b
5 Contrast to Noise Ratio (CNR) Check
6 Phantom Image Quality
7 Visual Inspection
8 Repeat Analysis
9 Compression Force Test
10 Imaging Plate Fog
z Action Criteria
A Corrective action required before any further patient examinations
Corrective action required before the problematic device can be used for mammographic image interpretation (Use
B
of an alternate diagnostic review device can continue)
C Corrective action required within 30 days of the test date
*1 On any day prior to printing patient images, or at the frequency suggested by the printer manufacturer's QC guideline, whichever
is more frequent
*2 Weekly, or at the frequency suggested by the review workstation manufacturer's QC guideline, whichever is more frequent
*3 If the source of the problem is identified as a device used for image interpretation (i.e. laser printer, physician's review worksta-
tion) the action criteria is "B"; otherwise the action criteria is "A"
Test Item
CR Console Monitor
Review Workstation Monitor
Frequency
Daily
*1
Daily
Weekly
Weekly
*2
Weekly
Weekly
Weekly
Monthly
Quarterly
Semi Annually
Semi Annually
18

Action Criteria

-
B
B
B
A
*3
A/B
C
C
A
A