User Maintenance
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Typical Tests to Perform
Quality assurance measurements provide results relating to
system performance. Typically these are:
• Axial
Measurement
Accuracy
•
Lateral Measurement Accuracy
•
Axial and Lateral Resolution
• Penetration
•
Functional & Contrast Resolution
•
Gray Scale Photography.
With these tests, a performance baseline can be set at
installation with the phantom in your department. Future test
results can be compared to the baseline in order to maintain a
record of system performance trends.
Frequency of tests
Quality assurance tests are used to determine whether a
scanner is providing the same level of performance from day to
day.
The frequency of testing varies with the amount of system usage
and modes to be tested. It is recommended that the user
perform quality assurance tests at least every three months or
every 400 patient studies. Tests should also be performed when
a question about system performance exists.
A mobile system may require more frequent tests.
Image quality should also be tested immediately after the
following events:
• Service
calls
• System
upgrades/modifications
•
Dropped probe, power surge, etc.
Содержание LOGIQ 7
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Страница 28: ...Introduction 1 12 LOGIQ 7 Basic User Manual Direction 2392206 100 Rev 1 ...
Страница 140: ...Preparing for an Exam 4 28 LOGIQ 7 Basic User Manual Direction 2392206 100 Rev 1 ...
Страница 306: ...Scanning Display Functions 6 42 LOGIQ 7 Basic User Manual Direction 2392206 100 Rev 1 ...
Страница 400: ...General Measurements and Calculations 7 94 LOGIQ 7 Basic User Manual Direction 2392206 100 Rev 1 ...
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Страница 698: ...Pediatrics 13 10 LOGIQ 7 Basic User Manual Direction 2392206 100 Rev 1 ...
Страница 699: ...LOGIQ 7 Basic User Manual 14 1 Direction 2392206 100 Rev 1 Chapter 14 ReportWriter Describes how to generate reports ...
Страница 741: ...LOGIQ 7 Basic User Manual 15 1 Direction 2392206 100 Rev 1 Chapter 15 Recording Images Describes how to record images ...
Страница 779: ...Presets LOGIQ 7 Basic User Manual 16 3 Direction 2392206 100 Rev 1 Overview continued Figure 16 1 Utility Touch Panel ...
Страница 882: ...Customizing Your System 16 106 LOGIQ 7 Basic User Manual Direction 2392206 100 Rev 1 ...
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