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?

24
Q

what are the disadvantages of step wedge?

A

operator variables cause discrepancies
variable results depending on viewer

25
what are the advantages of pre exposed exhaustion test?
easy to use no discrepancies results not dependant on viewer
26
what are the disadvantages of pre exposed exhaustion test?
expensive
27
what are causes of a fogged film?
light entering daylight loading system/ darkroom safelight filter unsuitable for film or too close to worksurface
28
what are tests for fogged film?
coin test
29
what checks must be carried out on computer monitors?
check settings and resolution
30
what checks must be carried out on solid state sensors?
visual checks for physical damage weekly and radiograph monthly
31
what checks must be carried out for PSP?
visual check weekly and radiograph monthly
32
how do you check large digital sensors and extra-oral cassettes?
test tool
33
how may phosphor plates be damaged?
scratched speck of dust on processor plate
34
what are local rules?
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.