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Finals Flashcards

(54 cards)

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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

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A

Lead technologist
Each image

23
Q

Verify exam in PACS

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A

Lead technologist
Each exam

24
Q

Reconcile patient data/image counts in PACS

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A

Informatics
Incidental

25
Report substandard images
Radiologist Incidental
26
Erase cassette-based image receptors
Technologist Start of shift
27
Test IR uniformity
QC technologist Weekly
28
Clean cassette-based image receptors
Technologist Monthly
29
Compile and review reject analysis data
QA coordinator Monthly
30
Verify display calibrations
Clinical engineer Quarterly
31
Review QC indicators
QA committee Quarterly
32
Verify receptor calibrations
Medical physicist Semiannual
33
Verify X-ray generator functions
Medical physicist Annual
34
Daily QC for Technologist (Gen System Inspection)
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
3 Weekly QC for Technologist (Gen System Inspection)
1. Clean and inspect receptors 2. Clean air intakes on the CR reader 3. Clean cathode ray tube (CRT) screen, keyboard, and mouse
36
Characteristic features are detectable but details are not fully reproduced; features are just visible.
Visualization
37
Details of anatomical structures are visible but not necessarily clearly defined; detail is emerging
Reproduction
38
Anatomical details are clearly defined; details are clear
Visually sharp reproduction
39
These define the minimum limiting dimensions in the image at which specific or abnormal anatomical details should be recognized.
Important image details
40
4 terms used to explain the meaning of the degree of visibility
1. Visualization 2. Reproduction 3. Visually sharp reproduction 4. Important image details
41
key to contolling exposur elevels
Exposure Indicator Appropriateness
42
plays an important role in QC testing and indicates whether the correst exposure technie factors are used for the exam'n
Exposure Indicator Appropriateness
43
Has the duty to the consumer to ensure that equpment is being maintained properly
Service personnel
44
Consists of a series of equipment tests that are performed by a service engr
Preventive maintenance
45
Preventive maintenance
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
Tests are performed to establish accuracyand reproducibility
XR generator, tube, reader
47
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
1. 200 2. 80 3. filtration 4. nongrid 5. 0.1mR, 1.0 mR, and 10 mR
48
It is accomplished by using a special standardized cassette that is not used for daily imaging procedures
Phosphor accuracy testing
49
This is done to ensure that to ensure that anatomic image analysis and histogram production are operating correctly
Image Processing
50
Testing verifies correct positioning and image processing selections
Image Display
51
This is done to avoid interference from previous exposures.
Screen Erasure
52
Artifact if latent image is not erased
Ghosting
53
Line-pair testing phantoms are used to determine resolution patterns
Spatial frequency response testing
54
Radiation Physicist Responsibilities 5 Semiannual/ annual QC
* 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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