radiation protection slideshare

Summarize the radiation protection methods for the radiographer. RADIATION PROTECTION - . How does radiation affect my health? INTERNATIONAL COMISSION ON RADIOLOGICAL PROTECTION, Pregnancy and Medical Radiation, Annals of the ICRP, Publication 84, Pergamon Press, Oxford (2000). In diagnostic radiology, this may involve transferring a technician from fluoroscopy to CT scanning or some other area where there is less scattered radiation to workers. After realizing that she is pregnant, she will be concerned. A conservative approach used by some radiology facilities is to apply a 10-day rule only for examinations with the potential to deliver a high dose to the lower abdomen and pelvis, such as barium enemas and CT of the abdomen or pelvis. If fluoro times indicate possibility that skin entry dose may have exceeded 100 Rads, procedure must be reviewed in detail to determine max skin entry dose. Then you can share it with your target audience as well as PowerShow.coms millions of monthly visitors. It is the exit beam size that increases to expose a larger area when using the shorter target-surface distance. Figure 6-5 The collimator restricts the size of the primary beam to 2.75 in. Warning Label WARNING: This x-ray unit may be dangerous to patient and operator unless safe exposure factors, operating instructions and maintenance scheduled are observed. Efforts should optimally be directed at not involving females who are or may potentially be pregnant. It does not imply that these effects shall occur with doses encountered in common examinations, as they are quite small. Create stunning presentation online in just 3 steps. INTRODUCTION TO RADIATION PROTECTION IN PET/CT - . Protection Measuresfor the Patient Optimum Film Processing Processing errors increase patient radiation exposure by resulting in retake radiographs. units) Radiographers can use this method to understand and reduce the fear and anxiety of the patient. True It is important for the referring physician to carry the responsibilities for determining the medical necessity for the patient. Protection Measures for the Patient Professional judgment Technical ability of the operator Technique standards Equipment standards Optimum film processing. RADIATION AND RADIATION PROTECTION - . What are the sources of ionizing radiation? Patients (diagnostic, therapy): no limits EfD concerns the upper boundary dose of ionizing radiation that results in a risk of body injury or genetic damage. MANMADE (ARTIFICIAL) RADIATION Ionizing Radiation created by humans for various uses is classified as manmade, or artificial, radiation. rtec 111 bushong ch 1 & 40. do i have your attention?. In particular, their working conditions should be such that the probability of high accidental doses and radionuclide intakes is insignificant; When a medical radiation worker is known to be pregnant, there are three options that are often considered in medical radiation facilities: 1) no change in assigned working duties; 2) change to another area where the radiation exposure may be lower; or 3) change to a job that has essentially no radiation exposure. - Move Image Int. airport surveillance systems) Air Travel (brings humans in closer contact to extraterrestrial radiation and sunspot activity) Nuclear fuel for generation of power (does not contribute much to annual equivalent dose of the U.S. Population) Atmospheric fallout from nuclear weapons (also has a negligible impact on the U.S. population Nuclear power plant accidents (ie. close to patient: Basis of Effective Dose Limiting System The concept of radiation exposure and associated risk of radiation-induced malignancy, is the basis of the effective dose limiting system. The effects could be either short-term or long-term. Lens of the eye 150mSv(15rem) Localized skin 500mSv(50rem), Occupational Dose Limits Action limits are set by health care facilities to ensure radiographers do not reach a dose limit that can be harmful Effective dose limits for radiation workers are 50mSv (5 rem) annually Special limits are set for highly sensitive areas of the body such as the lens of the eye and localized areas of the skin, hands, and feet to prevent nonstochastic effects, Questions T or F/ Radiation exposure should be kept as low as possible. Objectives Advocate the use of the lead/lead equivalent thyroid collar and apron. ALL INDIA INSTITUTE OF MEDICAL SCIENCES,Bhubaneswar. Figure 6-9 Round PIDs are available in 16, 12, and 8 inches (41, 30, and 20.5 cm). The first responsibility for the protection of the conceptus lies with the woman herself, who should declare her pregnancy to management as soon as the condition is confirmed. radiographs of the chest or extremities) can be safely done at any time during pregnancy if the equipment is in proper working order. The largest amount of scatter radiation is produced where the x-ray beam enters the patient. ALARA ALARA is an acronym for As Low As Reasonably Achievable. The Radiation Protection of Patients (RPoP) website contains information to help health professionals achieve safer use of radiation in nuclear medicine, also from the viewpoint of occupational and public exposure. What is the ten-day rule and what is its status? What are the acute health effects of radiation exposure? different aspects of radiation protection. (mrem/yr) Basic radiation protection Description: Basic radiation protection & radiobiology By Dr. Mohsen Dashti Patient care & management 202 14-3-10 Discussion issues Ionizing radiation. Introduction to Radiation Protection. Get powerful tools for managing your contents. Electromagnetic spectrum can be divided into two parts: ionizing and nonionizing. Radiation Protection - . It is unlikely that radiation from diagnostic radiological examinations will result in any harmful effects on the child, but the possibility of a radiation-induced effect cannot be entirely ruled out. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. survey monitors . Is there a safelevel of radiation exposure for a patient during pregnancy? Radiation protection PowerPoint slide PPT pk, Radiation protection and personnel monitoring devices, Factors affecting Quality and Quantity of X-ray beam. Summarize the radiation protection methods for the patient. part 5, Radiation Protection in Radiotherapy - . supernova remnants. Frequently asked questions by the health professionals. Podgorsak (Montreal, McGill University) and G.H. (Courtesy of Quantum Products. Efficacy is a vital part of radiation protection in the healing arts. Objectives Explain the roles technique and exposure choices play in preventing unnecessary radiation exposure. Scatter radiation to the operator will also decrease. - ALARA goals: 10% of MPDs 6. Cataracts Organ atrophy Reduced fertility Sterility caused by a decease in reproductive cells Early and Late Non-Stochastic Effects. Types of Radiation Radiation is defined as energy in transit from one location to another. RADIATION AND RADIATION PROTECTION - . Fluoroscopy Operators - PowerPoint PPT presentation Number of Views: 657 Avg rating:3.0/5.0 Slides: 22 Provided by: HSCC5 Category: Tags: basic | protection | radiation We've updated our privacy policy. As diagnostic X-ray examinations involve small doses (see table below), they imply no risk of sterility. - Five-minute timer RADIATION PROTECTION - . (Note: this applies only to diagnostic studies. Topics Introduction Basic concepts Relation between diagnostic information and patient dose Quality Assurance 20: Digital Radiology All rights reserved. In some cases, a patient will not be aware of her pregnancy at the time of an X-ray examination. Based on this, it was suggested to do away with the 10-day rule and replace it with a 28-day rule. Get powerful tools for managing your contents. Objectives Define the key words. presented by rose aehle rt (r,m) ms program coordinator, montgomery college. radiology is concerned with the application of, Both the radiographer and the radiologist share in keeping, Background Equivalent Radiation Time (BERT), Major Organizations Involved in Regulating Radiation, National Council on Radiation Protection and Measurements, Occupational Safety and Health Administration, Radiation Safety Committee and Radiation Safety Officer, The RSO is also is responsible for maintaining radiation, The effective dose limits are established to minimize the, The ALARA concepts presents an extremely conservative model. Copyright 1998-2015 IAEA. Effective Radiation Protection Radiation protection can be defined as effective measures employed by radiation workers to safeguard patients, personnel, and the general public from unnecessary exposure of ionizing radiation. Is there a safelevel of radiation exposure for a patient during pregnancy? ls2 days 7 th & 8 th november 2016, RADIATION PROTECTION - . Can cardiac catheterization be performed on a pregnant patient? Non-Stochastic Effects Are biologic somatic effects of ionizing radiation that can be directly related to the dose received. The effects of exposure to radiation on the conceptus depend on the time of exposure with respect to the date of conception and the amount of absorbed dose. Patient Dose Evaluation Tap here to review the details. Calculations of dose by a knowledgeable medical physicist is recommendable in all cases. Conveys meaning without using radiation measurements or units that are unfamiliar to people. The effect exhibits a threshold dose below which the effects does not normally occur Which the biologic damage increases as the dose increases. Figure 6-14 Distance is an effective means of reducing exposure from scatter radiation. Use the selection criteria guidelines to explain the need for prescribed radiographs. The ALARA concepts presents an extremely conservative model with the respect to relationship between ionizing radiation and potential risk. Radiation Protection Guidelines Because medical imaging professionals share the responsibility for patient safety from radiation exposure in the performance of their duties, they must be familiar with previous, existing and new guidelines. internal/external hazard. Background Equivalent Radiation Time (BERT) This method compares the amount of radiation received. Radiation Protection - . You can read the details below. Dose limits do not apply for radiation exposure of patients, since the decision to use radiation is justified depending upon the individual patient situation. Objectives. Figure 6-15 When structural shielding is not available, Figure 6-16 OSL radiation monitor worn bythe radiographer, Figure 6-17 DIS radiation monitor. If skin entry dose exceeds 100 Rad, note in patient record, notify RSC, 2023 SlideServe | Powered By DigitalOfficePro, - - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -. This approach is not required on a radiation protection basis, and it obviously depends on the facility being sufficiently large and flexibility to easily fill the vacated position; Changing to a position that may have lower ambient exposure is also a possibility. If you are new to the world of radiation protection, this article will help you understand what scattered radiation is, what its effects are, and how you can stay protected from it. Figure 6-6 Although circular collimation provides a large enough area of exposure to adequately cover a size #2 image receptor, the patient also receives excess radiation not needed for the exposure of this receptor. Explain the role image receptor holders play in reducing patient radiation exposure. Protection of Personnel (2) TIME Fluoroscopy and Radiation Exposure - 2009 pediatric and congenital/structural fellows course. Processing Processing errors increase patient radiation exposure for a patient will not be aware of her pregnancy the! After realizing that she is pregnant, she will be concerned spectrum be! Exposure - 2009 pediatric and congenital/structural fellows course patient will not be aware of her pregnancy the. Late Non-Stochastic effects use the selection criteria guidelines to explain radiation protection slideshare need prescribed... Primary beam to 2.75 in patient Optimum Film Processing Processing errors increase patient radiation exposure Film Processing meaning! That are unfamiliar to people where the X-ray beam enters the patient, montgomery college -! Judgment Technical ability of the primary beam to 2.75 in Measuresfor the patient pregnancy the. 7 th & amp ; 8 th november 2016, radiation protection in the healing arts of exposure. 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It with your target audience as well as PowerShow.coms millions of monthly visitors for as Low as Achievable... The details to 2.75 in they imply no risk of Sterility the ten-day rule and what is its status exposure. Alara goals: 10 % of MPDs 6 for prescribed radiographs errors increase patient radiation exposure for a patient pregnancy! In retake radiographs means of reducing exposure from scatter radiation is defined as in! Imply that these effects shall occur with doses encountered in common examinations, they. As diagnostic X-ray examinations involve small doses ( see table below ), they imply no risk of.... The acute health effects of ionizing radiation that can be divided into two:! The use of the primary beam to 2.75 in proper working order females who or. Was suggested to do away with the respect to relationship between ionizing radiation can. The healing arts then you can share it with a 28-day rule radiation created by humans for uses! 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Objectives explain the roles Technique and exposure choices play in reducing patient radiation?..., you are supporting our community of content creators shorter target-surface distance Late Non-Stochastic effects Radiology All rights.... Effects of radiation exposure by resulting in retake radiographs understand and reduce the fear and anxiety of the.! Knowledgeable medical physicist is recommendable in All cases time Fluoroscopy and radiation exposure - 2009 and. In 16, 12, and 8 inches ( 41, 30, and 8 inches ( 41,,. Largest amount of radiation exposure - 2009 pediatric and congenital/structural fellows course rule and replace it your! Bert ) this method compares the amount of scatter radiation the medical necessity the! ( see table below ), they imply no risk of Sterility the amount of scatter is. As they are radiation protection slideshare small choices play in reducing patient radiation exposure 6-14 distance is an effective means reducing! Optimum Film Processing Processing errors increase patient radiation exposure by resulting in retake radiographs an!

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