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Sop DR Tables

This Standard Operating Procedure (SOP) outlines the process for conducting quality assurance (QA) tests on Digital Radiography (DR) in diagnostic imaging. It details the responsibilities of various personnel, required instruments, and specific QA test parameters, including procedures, tolerances, and frequencies for testing. The document also includes sections for documentation, corrective actions, safety checks, and approval signatures.

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6 views3 pages

Sop DR Tables

This Standard Operating Procedure (SOP) outlines the process for conducting quality assurance (QA) tests on Digital Radiography (DR) in diagnostic imaging. It details the responsibilities of various personnel, required instruments, and specific QA test parameters, including procedures, tolerances, and frequencies for testing. The document also includes sections for documentation, corrective actions, safety checks, and approval signatures.

Uploaded by

Stevesmart Steve
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Standard Operating Procedure (SOP) for

Digital Radiography (DR)


Purpose
To define the procedure for conducting QA tests on Digital Radiography (DR).

Scope
This SOP applies to QA of Digital Radiography (DR) in diagnostic imaging.

Responsibility
• RSO
• Medical Physicist
• QA Personnel
• Service Engineers
• Department Head

Reference Standards
• AERB
• IEC 61223
• AAPM QA Guidelines
• WHO Imaging QA

Instruments Required
• Dosimeter
• kVp meter
• QA Phantoms
• Alignment Tool
• Survey Meter
• Stopwatch

QA Test Parameters and Procedures


Test Aim Procedure Tolerance Frequency Result Remarks
Parameter (Pass/Fail
)
Congruenc Check Expose ≤2% of Annual/
e of overlap of collimator FFD. Biennial
Radiation X-ray and test tool at or after
and light field. 100 cm repair
Optical FFD.
Field

Central Check Use beam ≤1.5°. Annual/


Beam perpendic alignment Biennial
Alignment ularity of test tool or after
beam. with steel repair
balls.

Effective Verify Use +0.5f to Annual/


Focal Spot focal spot pinhole or +0.3f Biennial
Size dimension slit depending or after
s. camera. on size. repair

kVp Verify Measure ±5 kV. Annual/


Accuracy applied vs using kVp Biennial
measured meter at or after
kVp. different repair
settings.

Irradiatio Verify Expose ±10%. Annual/


n Time exposure and Biennial
Accuracy timer. measure or after
using repair
dosimeter
/timer.

Total Ensure Measure ≥2.5 mm Annual/


Filtration minimum HVL using Al for Biennial
beam dosimeter >100 kVp. or after
filtration. and filters. repair

Linearity Check Measure CoL <0.1. Annual/


of exposure outputs at Biennial
mA/mAs linearity. different or after
mA repair
settings.

Output Verify Make 5 CoV <0.05. Annual/


Consistenc reproduci exposures Biennial
y bility. at fixed or after
settings. repair

Radiation Verify Measure ≤1 Annual/


Leakage shielding at 1 m mGy/hr. Biennial
effectiven around or after
ess. tube repair
housing.

Documentation and Records


Date Equipmen Test By Measured Criteria Status Signature
t ID Value

Corrective Actions
Non- Action Taken Responsible Date Verification
Conformance

Safety Checks
Safety Item Verification Status Remarks

Radiation leakage Measurement/


Inspection

Warning lights Measurement/


Inspection

Protective aprons Measurement/


Inspection

Room shielding Measurement/


Inspection

Operator distance Measurement/


Inspection

Approval/Authorization
Approved by:
RSO: __________
Head of Dept: __________
Date: __________

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