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Module 4 - radiology > Qaulity Assurance > Flashcards

Qaulity Assurance Flashcards

1
Q

what are standard operating procedures?

A

written guidelines on how to perform a task to make sure everyone does it the same way, every time

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2
Q

what is IR(ME)R 2017 ?

A

protection of patients

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3
Q

what is IRR 2017?

A

protects staff and public but also deals with patient protection in relation to equipment.

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4
Q

Main role of employer?

A

establish QA programmes for standard operating procedures
ensure every practitioner and operator undertake CPD

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5
Q

How much CPD must you do?

A

5 hours every 5 years

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6
Q

What does the QA programme contain?

A
  • Named person.
  • Details of procedures involved.
  • Frequency of procedures
  • Frequency records will be audited.
    **everything must be put in writing
    **RPS normally in charge of overseeing compliance
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7
Q

How do you ensure high qaulity images?

A

image quality rating system

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8
Q

how does the image qaulity rating system work?

A
  • Asses all images produced.
  • Grade films by image quality (1,2 or 3).
  • Collate results – analyse monthly, quarterly or at least evert 6 months.
  • Feed-back results to staff.
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9
Q

What is the aim for image rating?

A

more than 95% rated acceptable
Number of films rated 1 should be more than 70%
Number of films rated 2 should be less than 20%
Number of films rated 3 should be less than 10%

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10
Q

what does reject film analysis do?

A

reduces/ eliminates films rates 3
- collects all 3 rated, categorise, act

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11
Q

What are the stages of the IQRS audit cycle?

A

assess
grade
results
feed-back

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12
Q

how often should equipment be checked?

A

every3 years but preferably annually

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13
Q

what should equipment checks include?

A

representative patient dose - radiation output

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14
Q

what does a box of films contain on packaging?

A
  • size of film
  • number of films
  • best before date
  • storage instructions
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15
Q

what are the storage instructions for films?

A

out of sunlight
away from radiation source
optimum humidity and temp

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16
Q

what are the erase rules for digital PSP?

A

If not used for more than 24hrs after plate erased (exposed to bright light), it should be erased again.

17
Q

what is sensitometry?

A

main of checking performance

18
Q

how do you check sensitometry?

A

check developer daily for exhaustion

19
Q

what does exhaustion result in?

A

pale image

20
Q

how do you check for an exhausted developer?

A

simple step-wedge test
ready exposed test film

21
Q

what is a simple step-wedge test?

A

different thicknesses of metal – when it is radiographed will produce an image showing “steps” of blackening from pale grey to dark grey/black

22
Q

where should you do a ready exposed test?

A

darkroom conditions or inside glove box

23
Q

what are the advantages of step wedge?

A

cheaper

24
Q

what are the disadvantages of step wedge?

A

operator variables cause discrepancies
variable results depending on viewer

25
Q

what are the advantages of pre exposed exhaustion test?

A

easy to use
no discrepancies
results not dependant on viewer

26
Q

what are the disadvantages of pre exposed exhaustion test?

A

expensive

27
Q

what are causes of a fogged film?

A

light entering daylight loading system/ darkroom
safelight filter unsuitable for film or too close to worksurface

28
Q

what are tests for fogged film?

A

coin test

29
Q

what checks must be carried out on computer monitors?

A

check settings and resolution

30
Q

what checks must be carried out on solid state sensors?

A

visual checks for physical damage weekly and radiograph monthly

31
Q

what checks must be carried out for PSP?

A

visual check weekly and radiograph monthly

32
Q

how do you check large digital sensors and extra-oral cassettes?

A

test tool

33
Q

how may phosphor plates be damaged?

A

scratched
speck of dust on processor plate

34
Q

what are local rules?

A

define which type of x-ray procedures are to be carried out within your designate controlled area and who has access to and is responsible for safety in each controlled area.

Module 4 - radiology (14 decks)

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