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The CT Imaging Chain (CE ARRT) 2019

Course Format: Online Video
Course Credit Type: CE ARRT
Course Credit: 1.00
Rewards Points Earned: 25
Course Category: *Imaging, CT, **Self-Study/On-Demand
Course Cost: $17.99 | Included in All-Access Pass
Mobile Friendly: Yes
Course Release Date: March 11, 2019
Course Expiration Date: March 11, 2021
Supported by an educational grant from: AltusCampus
Program Summary: Covered in this course is the image production process that occurs in CT. From the X-ray tube to CT image, all of the major components important in the image production process and important to RT’s who scan are defined and explained. How the individual components contribute to the CT image production process and how each component works are explained with appropriate depth. Components and their function(s) are discussed and include the X-ray tube, the generator, the beam shaping filter, the reference detectors, the pre-patient collimator, patient attenuation factors, the pre-detector collimator, the detector system, the analog-to-digital converter, the CT computer/Array Processor, the digital-to-analog converter and the image monitor.

OBJECTIVES

Upon completion of the presentation and with a minimum of 80% proficiency, each attendee will be able to:
  • Recreate the CT imaging chain from X-ray tube to CT image on the monitor;
  • Describe the function of the individual components that complete the CT imaging chain; and,
  • Accurately complete the CT math computations that include “PITCH”, beam width and pixel size.

OUTLINE

The major components of the CT imaging chain
  • An overview of the major components and their basic function(s)
  • How things work and when: The visual CT imaging chain

Gantry components
  • Identifying components revealed when the gantry “skin” is removed

The CT Imaging Chain: components and functionality
  • The CT X-ray tube
  • The CT generator
  • The beam shaping filter
  • The pre-patient collimator
  • Patient attenuation factors and their impact
  • Atomic number, Part thickness, Part density, kVp
  • Defining and describing CT numbers
  • The pre-detector collimator
  • The detector system
  • The Analog-to-Digital Converter (ADC)
  • The CT computer, aka, the Array Processor
  • The Digital-to-Analog Converter (DAC)
  • The diagnostic image on a monitor: Pixels and Voxels defined


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