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Finals Flashcards

1
Q

CQI

A

Continuous Quality Improvement

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2
Q

Notion of CQI was developed by (1) in (2)

A
  1. Joint Commission on Accreditation of Healthcare Organization (JCAHO)
  2. 1991
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3
Q

Purpose of QA and QC

A
  1. ensure optimum image quality for enhancing dx
  2. optimize radiation dose to pts and reduce dose to personel
  3. reduce cost to the institution
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4
Q

Systems and procedures for assuring quality pt care

A

QA

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5
Q

deals specifically with the quality assessment, continuing education, usefulness of QC procedures, and the assessment of outcomes

A

QA

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6
Q

(1) is a component of (2)

A
  1. QC
  2. QA
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7
Q

Refers specifically to the monitoring of imporant variables that affect image quality and radiation dose

A

QC

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8
Q

Significant activities for QC

A
  1. acceptance testing
  2. routine performance
  3. error correction
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9
Q

First major step in a QC program and it ensures that the equipment meets the specifications set by the manufacturers

A

Acceptance testing

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10
Q

Involves performing the actual QC test on the equipment with varying degrees of frequency (annually, semiannually, monthly, weekly, or daily)

A

Routine performance

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11
Q

Ensures that equipment not meeting the performance criteria or tolerance limit established for specific QC tests must be replaced or repaired to meet tolerance limits

A

Error correction

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12
Q

Responsibilities for DR QC

A

-Active participation by the radiologist is an absolute requirement.
- Radiologist has the ultimate responsibility for quality of images.
- Radiologists set the standard

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13
Q

QC Team

A
  1. Physician
  2. Qualified medical physicist (QMP)
  3. Registered radiologist assistant
  4. Radiologic technologist
  5. Imaging informatics professional

RIP QR

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14
Q

Responsible for efficiency of imaging operations

A

Radiology administrator

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15
Q

Responsible for equipment life cycle management and is therefore intimately involved in calibrations and service

A

Clinical engineer

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16
Q

QA vs QC 3 key differences

A

QA
- Process
- Proactive
- Prevents defects

QC
- Product
- Reactive
- Find defects

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17
Q

Uniquely qualified to interpret the meaning of QC results in the context of clinical practice

A

QMP

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18
Q

QMP vs clinical engr

A

QMP: for safety of pt and RT
Clinical engr: more on technical and mechanical aspect

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19
Q

First-line supervisor of QC operations

A

Lead radiologic technologist

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20
Q

Verify patient ID and exam info

A

Technologist
Each exam

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21
Q

Verify patient positioning

A

Technologist
Each view

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22
Q

Verify image quality—release or repeat

A

Lead technologist
Each image

23
Q

Verify exam in PACS

A

Lead technologist
Each exam

24
Q

Reconcile patient data/image counts in PACS

A

Informatics
Incidental

25
Q

Report substandard images

A

Radiologist
Incidental

26
Q

Erase cassette-based image receptors

A

Technologist
Start of shift

27
Q

Test IR uniformity

A

QC technologist
Weekly

28
Q

Clean cassette-based image receptors

A

Technologist
Monthly

29
Q

Compile and review reject analysis data

A

QA coordinator
Monthly

30
Q

Verify display calibrations

A

Clinical engineer
Quarterly

31
Q

Review QC indicators

A

QA committee
Quarterly

32
Q

Verify receptor calibrations

A

Medical physicist
Semiannual

33
Q

Verify X-ray generator functions

A

Medical physicist
Annual

34
Q

Daily QC for Technologist (Gen System Inspection)

A
  1. Cleanliness of CXTs
  2. Hinge and Latch Inspetion
  3. Erasure of IP
  4. Verification of Digital Interfaces & Network Transmission
  5. Inspect the Laser Printer for Ink & Paper

CHIVES

35
Q

3 Weekly QC for Technologist (Gen System Inspection)

A
  1. Clean and inspect receptors
  2. Clean air intakes on the CR reader
  3. Clean cathode ray tube (CRT) screen, keyboard, and mouse
36
Q

Characteristic features are detectable but details are not fully reproduced; features are just visible.

A

Visualization

37
Q

Details of anatomical structures are visible but not necessarily clearly defined; detail is emerging

A

Reproduction

38
Q

Anatomical details are clearly defined; details are clear

A

Visually sharp reproduction

39
Q

These define the minimum limiting dimensions in the image at which specific or abnormal anatomical details should be recognized.

A

Important image details

40
Q

4 terms used to explain the meaning of the degree of visibility

A
  1. Visualization
  2. Reproduction
  3. Visually sharp reproduction
  4. Important image details
41
Q

key to contolling exposur elevels

A

Exposure Indicator Appropriateness

42
Q

plays an important role in QC testing and indicates whether the correst exposure technie factors are used for the exam’n

A

Exposure Indicator Appropriateness

43
Q

Has the duty to the consumer to ensure that equpment is being maintained properly

A

Service personnel

44
Q

Consists of a series of equipment tests that are performed by a service engr

A

Preventive maintenance

45
Q

Preventive maintenance

A
  1. XR generator, tube, reader
  2. Phosphor accuracy testing
  3. Image processing
  4. Image display
  5. Screen erasure
  6. Spatial Frequency Response Testing

XP 2IS

46
Q

Tests are performed to establish accuracyand reproducibility

A

XR generator, tube, reader

47
Q

Reproducibility = within 2% within established exposure parameters measured in multiple exposures recommends (1) exposures per test at (2) kvp, (3), (4), with 3 levels of exposure at (5) value

A
  1. 200
  2. 80
  3. filtration
  4. nongrid
  5. 0.1mR, 1.0 mR, and 10 mR
48
Q

It is accomplished by using a special standardized cassette that is not used for daily imaging procedures

A

Phosphor accuracy testing

49
Q

This is done to ensure that to ensure that anatomic image analysis and histogram production are operating correctly

A

Image Processing

50
Q

Testing verifies correct positioning and image processing selections

A

Image Display

51
Q

This is done to avoid interference from previous exposures.

A

Screen Erasure

52
Q

Artifact if latent image is not erased

53
Q

Line-pair testing phantoms are used to determine resolution patterns

A

Spatial frequency response testing

54
Q

Radiation Physicist Responsibilities

5 Semiannual/ annual QC

A
  • Reestablish base-line values
  • Check exposure indicator’s accuracy with calibrated ion chamber
  • Repeat rates analysis
  • Review QC records
  • Service history analysis

BER QS

212 (8 decks)

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