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| Title |
| Digital Imaging in Radiography: Image Quality Control (1 credit hours) |
| Abstract |
| Building on the concepts included in the module, Digital Imaging in Radiography: The Basics, this module compares the various data acquisition devices and image receptors in terms of spatial resolution, contrast resolution, artifacts, and image noise. Measuring and reducing patient dose in a digital radiographic environment is also discussed. Note: For maximum learning efficiency, Digital Imaging in Radiography: The Basics should be completed first. Course Approval Expiration/End Date: May 1, 2010 Category A Credit This activity may be available in multiple formats or from different sponsors. The ARRT does not allow CE activities such as internet courses, home study programs or directed readings to be repeated for CE credit in the same or any subsequent biennium. |
| Author |
Nina Kowalczyk, MS, RT(R)(QM)(CT), FASRT
 During her professional career, Nina Kowalczyk has worked as a staff technologist in radiography, mammography, CT, and MRI; as a radiography educator and program director; and as a radiology manager/administrator. She is active in professional organizations at the state and national levels. Ms. Kowalcyzk is currently employed as an instructor in the Radiation Sciences Division at The Ohio State University. She serves on the editorial review board for the American Society of Radiologic Technologists and has personally published numerous works. |
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| Objectives |
After studying the information presented, the learner will be able to:
- Compare and contrast cassette-based digital radiography, noncassette-based digital radiography, and conventional screen/film radiography in terms of:
- Image capture and display
- Spatial resolution
- Contrast resolution
- Image noise
- Explain the factors affecting image density or brightness in both a digital and screen/film environment.
- Identify common artifacts associated with digital radiographic imaging systems.
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| Resources |
Burns B. Digital Radiography Systems Dynamic Range & Latitude, presentation at the 2005 Association of Educators in Radiologic Sciences Conference, Orlando FL, 2005
Burns B. Image Acquisition and Exposure Factor Selection, presentation at the 2005 Association of Educators in Radiologic Sciences Conference, Orlando FL, 2005
Carlton R. and Adler A. Principles of Radiographic Imaging, 4th ed., Albany NY: Delmar Pub; 2006.
Cesar L. Computed Radiography: Its Impact on Radiographers. Radiologic Technology 1997, 69: 3.
Chotas HG, et al. Principles of Digital Radiography with Large-Area, Electronically Readable Detectors: A review of the Basics. Radiology 1999, 210:595-599.
Fauber T. Radiographic Imaging and Exposure, 2nd ed., St. Louis: CV Mosby; 2004.
Kodak Digital Science: Digital Radiography Using Storage Phosphors. Eastman Kodak Co., 1996.
Kodak Health Imaging. Digital Imaging Fundamentals, Version 1.2, Rochester NY, 2000
Kodak Health Imaging. Computed Radiography and Digital Radiography, Version 1.0, Rochester NY, 2000
Tateno Y, Iinuma T, Takano M. Computed Radiography. Tokyo: Springer-Verlag, 1987.
Willis, CE. 10 fallacies about CR. Imaging Economics.com, Dec. 2002
Willis, CE. CR, DR dose strategies address pediatric imaging. Diagnostic Imaging. November 2003 |
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