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What you will learn

Course description: 

Advances in technology and clinical treatment methods have led to a rise in fluoroscopy use. Coinciding with this trend is an increase in reported radiation-induced injuries from fluoroscopy. Operators of fluoroscopy units, including radiologic technologists, radiologist assistants, radiologists and other physicians, must have a thorough understanding of how imaging chain components and radiation safety features optimize diagnostic imaging quality and keep radiation exposure to as low as reasonably achievable. This knowledge is especially important as new equipment features become available. In addition to describing various fluoroscopic equipment configurations, Anne Scott, B.S.R.S., R.T.(R), discusses specific elements of fixed fluoroscopy units that affect radiation dose and methods to protect patients and imaging personnel.



Course objectives: 

 After completing this article, readers should be able to:

  • Identify and justify the need to minimize unnecessary radiation exposure of humans.
  • Identify sources of ionizing radiation.
  • Define radiation and radioactivity units of measurement associated with radiation exposure and dose.
  • Discuss the potential biological effects of ionizing radiation, including somatic, genetic, stochastic and non-stochastic effects.
  • List the fundamental principles of radiation protection.
  • Explain the objectives of a radiation protection program and discuss the components of an effective protection program, including documentation, occupational and non-occupational dose limits and the ALARA principle.
  • Recognize the legal and ethical responsibilities of radiation workers with respect to radiation protection.
  • Discuss shielding and examination room design, including the difference between primary and secondary radiation barriers and factors affecting shielding.
  • Describe various features of fluoroscopy equipment that limit radiation exposure to patients and personnel.
  • Describe methods to reduce patient and personnel radiation exposure, including the use of beam-limiting devices, filtration, shielding, exposure factors, positioning, immobilization and intermittent fluoroscopy.
  • Explain the special considerations required for radiation protection of children, pregnant patients and pregnant radiation workers.
Course details

Delivery method: 

  • eLearning


  • English

Course author(s): 

ASRT: American Society Of Radiologic Technologists

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