MCCCD Official Course Competencies:

DMI221  1999 Fall – 2009 Spring

Advanced Imaging Modalities and Radiation Protection

1.

List and describe the components of the image intensifier. (I)

2.

Calculate minification and brightness gain for specific image intensifiers. (II)

3.

Describe different types of recording systems related to the imaging chain. (III)

4.

Explain the closed circuit television system used with the image intensification system. (IV)

5.

Describe the equipment and operating principles related to digital fluoroscopy. (V)

6.

Describe the equipment and imaging processes utilized with computed radiography. (VI)

7.

Explain the operating principles, physics, and instrumentation related to computed tomography. (VII)

8.

Describe the National Council for Radiation Protection (NCRP) dose limits for the technologist and general public. (VIII)

9.

Describe methods and techniques for reducing radiation exposure to the patient. (IX)

10.

Describe methods and techniques for reducing radiation exposure to the technologist. (X)

11.

Explain the operation, advantages, and disadvantages of environmental and personnel monitoring devices. (XI)

MCCCD Official Course Outline:

DMI221  1999 Fall – 2009 Spring

Advanced Imaging Modalities and Radiation Protection

I. Image Intensifier

A. Housing

B. Input phosphor

C. Photocathode

D. Electrostatic lenses

E. Anode

F. Output phosphor

II. Minification and Brightness Gain

A. Minification gain B Flux gain

C. Brightness gain formula D, Brightness gain problem

III. Recording Systems

A. Spot cassette filming

B. Photo-spot cameras

C. Cinefluorography

D. Electronic recorders

E. Optical disk recorders

F. Magnetic disk recorders

G. Laser printers

IV. Closed Circuit Television System

A. Video camera tube

B. Charged-coupled device

C. Fiber-optic bundle

D. Monitor

E. Active trace lines

F. Horizonal re-trace

G. Vertical re-trace

H. Spatial resolution

V. Digital Fluoroscopy

A. Differences between conventional and digital fluoroscopy

B. Pulsed generator

C. Analog-to-digital converter

D. Scan converter

E. Mini-computer

F. Image reconstruction

F. Display system

G. Temporal subtraction methods

H. Cine loop

I. Spatial resolution

VI. Computed Radiography (CR)

A. Photostimulable phosphor

B. Substrate

C. Laser reader

D. Photomultiplier tube

E. Image qualities

F. Windowing

VII. Computed Tomography (CT)

A. Generation of scanners

B. Operating principles

C. Equipment

D. Image reconstruction

E. Slip-ring scanners

F. Image qualities

VIII. Dose Limits

A. Function of NCRP

B. Radiation Safety Officer (RSO)

C. Current radiation protection philosophy

D. NCRP doseequivalent limits

1. occupational workers

2. general public

E. Radiation hormesis

IX. Protection of the Patient

A. Communication

B. Immobilization

C. Filtration

D. Shielding

E. Exposure factors

F. Radiographic processing

G. Film-screen combinations

H. Repeat radiographs

X. Protection of the Technologist

A. Dose reduction methods

B. Structural design factors

C. Equipment design factors

D. Protection during fluoroscopic procedures

E. Protection during mobile procedures

F. Protection during C-arm fluoroscopic procedures

G. Protection during interventional procedures

H. Protective devices

XI. Environmental and Personnel Monitoring Devices

A. Radiation survey instruments

B. Personnel monitoring devices

C. Advantages and disadvantages