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Obtaining consistent radiographic density and contrast
- A reliable, user-friendly technique chart is important for obtaining consistent radiographic density and contrast. When film, cassette, or machine type is changed, technique charts need to be changed as well.
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Jun 12, 2019 · To list the exam parameters needed to obtain an optimal x-ray image, including kVp, mAs, SID, body part and patient size. This chart is vital in the medical imaging field. you can use it to image animals in a veterinary setting and humans in a medical setting.
Oct 24, 2012 · Learn about the importance of using x-ray exposure charts in radiography. Join our webinar and gain insights from industry experts at IMV Imaging.
Two exposure factors directly control the quantity of x-rays produced and therefore the image receptor exposure. These are milliamperage and exposure time. The milliamperage, or mA, is a measure of current passing through the x-ray tube at the time of the exposure.
Technique Charts – Digital Radiographic Exposure: Principles & Practice. The Process of converting X-Ray Signal to Display Image. IV. Part IV - Clinical Application of Exposure Factors. 12. The Relationship of the Four Radiographic Properties. Key Performance Characteristics of Digital Image Receptor Systems.
Mar 6, 2016 · Tools are available to assist the radiographer in selecting appropriate exposure techniques: automatic exposure control (AEC) devices, anatomically programmed radiography, and exposure technique charts.
A reliable, user-friendly technique chart is important for obtaining consistent radiographic density and contrast. When film, cassette, or machine type is changed, technique charts need to be changed as well.
The reason a unique chart must be made of each unit is that x-ray generators have a wide variety of designs. With the same technique, high efficacy generators produce x-ray exposures with more radiation and higher quality radiation.
