RADD 2501 Radiation Protection Directed Reading

RADD 2501 Radiation Protection Directed Reading - C. . ....

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CE DIRECTED READING 378 May/June 2007, Vol. 78/No. 5 RADIOLOGIC TECHNOLOGY ............................ ........................................................................ JOYCE HELENA BRUSIN, M.F.A. Radiation Protection After completing this article, the reader should be able to: Name the most important and widely recognized measure for radiation protection. Discuss how radiation exposure affects bodily tissues. Differentiate between acute and chronic effects. Differentiate among 3 key types of radiation dose. Explain recent changes in the treatment of pregnant patients. Explain the importance of beam collimation and filtration in patient protection. Understand the role of shielding in patient protection. Understand how pregnancy affects employment and work duties in radiology. Identify and discuss the advantages and disadvantages of 4 common types of personnel dosimeters. Identify and discuss 3 commonly used area monitors. One of radiologic technolo- gists’ most important profes- sional obligations is protect- ing patients, other members of the health care team, the public and themselves from as much radiation-related harm as possible while also maximizing the screening, diagnostic and therapeutic potential of ionizing radia- tion. This article reviews the different types of radiation dose and how radiation affects the body. Patient shielding, personnel dosim- eters and area monitors are discussed, along with beam collimation and filtration. The author also describes protocols to protect pregnant patients and pregnant tech- nologists. This article is a Directed Reading. S ince its discovery at the end of the 19th century, ionizing radiation has handed clini- cians and patients the gift of a double-edged sword. Radiation’s benefits to diagnostic and therapeutic medicine are undisputed, yet always must be weighed against the potential dangers that overexposure to ionizing radiation presents. Early accounts of radiation’s dangers were largely anecdotal and often dismissed. Shortly after discovery of the x-ray, some turn-of-the-century practitioners claimed that skin burns, hair loss and other symp- toms were due to the electrical current being used or were simply the result of a patient’s oversensitive nature. 1 The practice of radiation protection in medical radiography, which is defined as safeguarding patients, personnel and the general public from unneces- sary exposure that will not enhance the diagnostic information obtained, 2 began with the observations of some physicists, dentists and physicians who made early use of ionizing radiation and recorded its potentially disastrous effects. Boston dentist William Herbert Rollins, who had observed the deleteri- ous effects of x-rays on guinea pigs in his laboratory, published his notes in 1904 in the Boston Medical and Surgical Journal . His report was largely ignored at the time, yet many of the protective measures taken today had their beginnings in the early
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This note was uploaded on 11/22/2011 for the course RADD 2501 taught by Professor Sandyeverage during the Winter '11 term at Life Chiropractic College West.

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RADD 2501 Radiation Protection Directed Reading - C. . ....

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