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Diagnostic radiographic science 100


 
Module code RSC 100
Qualification Undergraduate
Faculty Faculty of Health Sciences
Module content

Introduction: Discovery of x-rays, processing principles, handling of x-ray equipment. x-ray beam: production of x-rays, attenuation. 
Properties of  X Rays: importance and  influence of  Bremsstrahlung and Characteristic radiation on Imaging and Dose,  Electron Energy, Target Material, Influence of Filtration. X-Ray Projection Imaging Concepts: Geometry, Radiographic Contrast, Scatter and Scatter Reduction (Control of scatter radiation: production of scatter, effect of scattered radiation on the image, beam restriction devices, grids and grid efficiency), Artefacts and Image Degradation.
Radiographic Detectors: Intensifying Screen and Film (, cassettes, intensifying screens, efficiency of rare earth intensifying screens and x-ray film construction), Computed Radiography (CR), Direct Digital Radiography (DDR), Indirect Digital Radiography (IDR).

Principles of conventional and digital radiography image optimisation – Primary exposure factors: mAs, kVp and SID. AEC.(factor which influence the production and recording of images); Principles of technique charts
Conventional Image processing: darkrooms  Image Representations: Contrast, Spatial Resolution, Noise, Temporal Resolution, Sampling and Quantization 
Introduction to quality assurance in radiographic imaging. Introduction to radiation protection for patient, personnel and public- radiation units, detection and measurement, radiation dose equipment and area survey. Regulations and operation of radiation equipment. Introduction to digital imaging system.
Module credits 15.00
NQF Level 05
Prerequisites No prerequisites.
Contact time 1 discussion class per week, 1 tutorial per week, 2 lectures per week
Language of tuition Module is presented in English
Department Radiography
Period of presentation Year
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