scholarly journals Pengukuran Laju Paparan Radiasi pada Perisai Radiasi Ruang Panoramik di Instalasi Radiologi Rumah Sakit Islam Klaten

2016 ◽  
Vol 2 (2) ◽  
pp. 164-166
Author(s):  
Raih Sutejo ◽  
Siti Daryati
Keyword(s):  
Radiation Exposure ◽  
Background Radiation ◽  
Exposure Rate ◽  
Measurement Results ◽  
Background Exposure ◽  
Point G ◽  
Research Type ◽  
Survey Approach ◽  
Examination Room ◽  
Actual Radiation

Background: Research about the measurement of radiation exposure rate on panoramic radiation shield in Radiology Installation of Klaten Islamic Hospital has been conducted. The background of this research is in the panoramic room there is a veil that has a gap on the bottom as high as 20 cm. The purpose of this research is to know the rate of radiation exposure on radiation panoramic shield in Radiology Installation of Klaten Islamic Hospital and the application of radiation protection system to the room.Methods: This research type is quantitative with survey approach that is writer do observation, documentation and measurement of exposure rate of radiation at controlled and uncontrolled area by doing measurement at two state that is before exposure (background radiation) and after exposure. The data obtained are then analyzed descriptively to declare a safe examination room or not for workers and the general public by comparing the measurement results with UNSCEAR and NCRP report No. 147.Result: The value of the background exposure rate in the panoramic chamber of the Klaten Hospital Radiology Installation exceeds the value of the background dose rate based on the location of the height of an area according to UNSCEAR. The background exposure value in the panoramic space ranges from 0.14 to 0.175 μGy/hour. The actual radiation exposure measurements at point A is 0.00021 mGy/hour, point B is 0.000175 mGy/h, point C is 0 mGy/hour, point D is 0 mGy/hour, point E is 0.000105 mGy/hour, point G is 0,000735 mGy/hour. These six results have not exceeded the NCRP report no. 147 is for controlled areas 0.0025 mGy / hr and uncontrolled area 0.0005 mGy / hr.

scholarly journals An insight into the quality of internal built environment in Vladivostok. Part 1: Studying background radiation in residential premises

2020 ◽  
pp. 28-47
Author(s):  
Vladimir A. Drozd ◽  
Valery V. Temchenko ◽  
Yuri V. Chubov ◽  
Vladimir N. Kustov ◽  
Kirill S. Golokhvast
Keyword(s):  
Built Environment ◽  
Gamma Radiation ◽  
Background Radiation ◽  
Residential Buildings ◽  
Living Environment ◽  
Research Project ◽  
Apartment Buildings ◽  
Measurement Results ◽  
Background Gamma Radiation

Introduction. The article addresses background gamma radiation in residential premises of apartment buildings in Vladivostok. This study is based on earlier research undertakings focused on the sick building syndrome (SBS), which proves its high relevance. The research is focused on the intensity of background gamma radiation in the residential premises of apartment buildings in Vladivostok. New data obtained in the course of the field experiments, the scale of their analysis, the coverage of substantive issues concerning radiation intensity and its monitoring in residential buildings guarantee the novelty of this research project. These findings also have a practical value that deals with environmental safety. Materials and methods. Onsite examinations were conducted in the form of background gamma radiation measurements taken in versatile apartment buildings, built at different times and made of different materials. Results. This section contains analytical information about the lack of influence of the location of apartment buildings on background radiation inside the apartments examined within the framework of this research project. Measurement results represent a range of values depending on construction materials used. Principal regularities, derived from the measurement results, are based on the time of operation of residential buildings, which is of practical importance. Conclusions. Patterns of influence of building parameters on background radiation inside apartments allow to assess the condition of residential buildings. Background radiation information can be entered into BIM databases and used to formulate the approach to the design of buildings and urban infrastructure so that they were focused on their residents and users. Background radiation research findings, entered into the database and contributed to design algorithms which are customized to the needs of urban residents, will enable designers to project the overall quality of the living environment encompassing the built environment analyzed in this article and other nearby buildings and structures located in Vladivostok.

scholarly journals The fallacy of comparing diagnostic radiation with background radiation; and the need to learn from past mistakes

2010 ◽  
Vol 14 (3) ◽  
pp. 71
Author(s):  
D J Emby
Keyword(s):  
Radiation Exposure ◽  
Background Radiation ◽  
Diagnostic Radiation ◽  
The Subject

The subject of radiation exposure for diagnostic purposes is currently a ‘hot’ topic, and it is appropriate that the debate around this issue is given exposure in the pages of the SAJR. I would like to comment on a few of the points raised by Dr Tipler in his article that appeared in the June 2010 SAJR.

Microwave measurements of ionizing radiation exposure rate

1978 ◽  
Vol 45 (5) ◽  
pp. 1098-1100
Author(s):  
Yu. A. Medvedev ◽  
N. N. Morozov ◽  
B. M. Stepanov
Keyword(s):  
Ionizing Radiation ◽  
Radiation Exposure ◽  
Microwave Measurements ◽  
Exposure Rate ◽  
Ionizing Radiation Exposure

Environmental Radiation Exposure Rate in Louisiana

1986 ◽  
Vol 15 (4) ◽  
pp. 410-412 ◽  
Author(s):  
James N. Beck ◽  
Dean F. Keeley ◽  
John R. Meriwether ◽  
Ronald H. Thompson
Keyword(s):  
Radiation Exposure ◽  
Exposure Rate ◽  
Environmental Radiation

scholarly journals Elevated Radiation Exposure Associated With Above Surface Flat Detector Mini C-Arm Use

Hand ◽  
2017 ◽  
Vol 14 (4) ◽  
pp. 565-569
Author(s):  
Dennis P. Martin ◽  
Talia Chapman ◽  
Christopher Williamson ◽  
Brian Tinsley ◽  
Asif M. Ilyas ◽  
...  
Keyword(s):  
Radiation Exposure ◽  
Prolonged Exposure ◽  
Background Radiation ◽  
Image Intensifier ◽  
Body Part ◽  
Operating Table ◽  
Dependent Manner ◽  
Body Parts ◽  
Flat Detector ◽  
Dose Dependent

Background: This study aims to test the hypothesis that: (1) radiation exposure is increased with the intended use of Flat Surface Image Intensifier (FSII) units above the operative surface compared with the traditional below-table configuration; (2) this differential increases in a dose-dependent manner; and (3) radiation exposure varies with body part and proximity to the radiation source. Methods: A surgeon mannequin was seated at a radiolucent hand table, positioned for volar distal radius plating. Thermoluminescent dosimeters measured exposure to the eyes, thyroid, chest, hand, and groin, for 1- and 15-minute trials from a mini C-arm FSII unit positioned above and below the operating surface. Background radiation was measured by control dosimeters placed within the operating theater. Results: At 1-minute of exposure, hand and eye dosages were significantly greater with the flat detector positioned above the table. At 15-minutes of exposure, hand radiation dosage exceeded that of all other anatomic sites with the FSII in both positions. Hand exposure was increased in a dose-dependent manner with the flat detector in either position, whereas groin exposure saw a dose-dependent only with the flat detector beneath the operating table. Conclusions: These findings suggest that the surgeon’s hands and eyes may incur greater radiation exposure compared with other body parts, during routine mini C-arm FSII utilization in its intended position above the operating table. The clinical impact of these findings remains unclear, and future long-term radiation safety investigation is warranted. Surgeons should take precautions to protect critical body parts, particularly when using FSII technology above the operating with prolonged exposure time.

ASSESSMENT OF INDOOR RADIATION DOSE RECEIVED BY THE RESIDENTS OF NATURAL HIGH BACKGROUND RADIATION AREAS OF COASTAL VILLAGES OF KANYAKUMARI DISTRICT, TAMIL NADU, INDIA

2015 ◽  
Vol 1 (01) ◽  
pp. 01-05
Author(s):  
R.Ragel Mabel Saroja
Keyword(s):  
Solid State ◽  
Radiation Dose ◽  
Gamma Radiation ◽  
Radiation Exposure ◽  
Effective Dose ◽  
Tamil Nadu ◽  
Background Radiation ◽  
Annual Effective Dose ◽  
Indoor Radon ◽  
High Background

Radiation exposure and effective dose received through two routes of exposure, viz. external and internal, via inhalation, by residents of coastal villages belonging to Natural High Background Radiation Areas (NHBRA) of Kanyakumari District and Tamil Nadu inIndiawere studied. While the indoor gamma radiation levels were monitored using Thermo Luminescent Dosimeters (TLDs), the indoor radon and thoron gas concentrations were measured using twin chamber dosimeters employing Solid State Nuclear Track Detectors (SSNTDs, LR-115-II). The average total annual effective dose was estimated and found to be varied from 2.37 to8.64 mSv.

Analisis Paparan Radiasi Hambur di Ruang Isolasi COVID-19 RSUD Kraton Kabupaten Pekalongan

2021 ◽  
Vol 1 (1) ◽  
pp. 22-25
Author(s):  
Heryani Heryani ◽  
Nurul Firdausi Nuzula ◽  
Ari Dwi Reskianto ◽  
Ryan Wahyu Widhianto
Keyword(s):  
Radiation Exposure ◽  
X Rays ◽  
Scatter Radiation ◽  
Isolation Room ◽  
Water Phantom ◽  
Limit Value ◽  
Measurement Results ◽  
One Year ◽  
The Right ◽  
Radiological Examinations

Analysis of Distributed Radiation Exposure in The Covid-19 Isolation Room in Kraton Re¬gional Hospital, Pekalongan Regency. Since Covid-19 was declared a world pandemic by WHO, isolation rooms have become a place that is often used to deal with pandemics. Radiological examinations or X-rays are used as a supporting examination in the diagnosis of Covid-19. So it is necessary to adjust the Covid protocol in the examination so that there is no transmission of the virus and the effects of unnecessary radiation. Isolation rooms used for radiological examinations of Covid-19 patients need to be reviewed for safety to comply with procedures. The purpose of this paper is to analyze the scattering radiation exposure in the Seruni isolation room of RSUD Kraton, Pekalongan Regency. The data in this paper were taken by measuring the amount of scatter radiation exposure in room B of the isolation room Seruni RSUD Kraton Pekalongan Regency, on February 16, 2021. This measurement was carried out with a water phantom as object with the highest exposure factor for thorax examination, namely 70 kV and 16 mAs and carried out at several points around the water phantom object with a distance of 2 meters from the source. The measurement results of scattered radiation exposure are then compared with the Dose Limit Value (NBD) for the general public of 1 mSv in one year. Analysis of the measure¬ment of scatter radiation exposure in the Seruni isolation room at Kraton Hospital, Pekalongan Regency, still experienced leaks and the exposure value exceeded tolerance. The measurement results in the hallway of the Seruni room are 676 Sv/h, in addition to the radiographer (2 meters on the left side of the phantom) it is 627.12 Sv/h, at a distance of 2 meters the right side of the phantom is 287.04 Sv/h, and a distance of 2 meters in front of the hall phantom of 676 Sv/h. The follow-up that needs to be done to optimize radiation protection is to install at least 3 scattering radiation shields.

Fluoroscopy-Guided Biliary Procedures in a Pregnant, Liver Transplant Patient: Fetus Radiation Protection

2020 ◽  
Author(s):  
R Gerasia ◽  
C Cannataci ◽  
G S Gallo ◽  
C Tafaro ◽  
C Caruso ◽  
...  
Keyword(s):  
Transplant Recipient ◽  
Liver Transplant ◽  
Radiation Exposure ◽  
Transplant Patient ◽  
Liver Transplant Recipient ◽  
Background Radiation ◽  
Liver Transplant Patient ◽  
A Value ◽  
Naturally Occurring ◽  
Reduction Strategies

Abstract We report three cases of clinically necessary, fluoroscopy-guided, percutaneous biliary procedures performed safely in a pregnant, liver transplant recipient using three different angiography suites. The uterine cumulative equivalent dose was 0.25 mSv, a value obtained by adding the doses of the three procedures described above, and which is relatively low when compared with the naturally occurring background radiation exposure for a 9-month pregnancy (~0.5–1 mSv). Our experience shows that staff knowledge, awareness and liaison promote the application of all dose reduction strategies possible while still achieving the clinical aim despite using different angiographic equipment.

scholarly journals Occupational Radiation Exposure in Health Care Facilities

2013 ◽  
Vol 10 (3) ◽  
pp. 48-51 ◽  
Author(s):  
Chhavi Raj Bhatt ◽  
A Widmark ◽  
SL Shrestha ◽  
T Khanal ◽  
B Ween
Keyword(s):  
Health Care ◽  
Radiation Exposure ◽  
Background Radiation ◽  
Health Care Facilities ◽  
High Dose ◽  
Occupational Radiation Exposure ◽  
X Ray ◽  
Care Facilities ◽  
Personal Dosimetry ◽  
Occupational Radiation

Background  Radiation, which is used extensively to diagnose and treat human diseases, poses an occupational health risk for the concerned health workers. Personal dosimetry is an important tool to monitor occupational radiation exposures. Objective  This study was conducted to reveal and to describe the situation of occupational radiation exposure monitoring among staffs in different health care facilities in Nepal. Methods  A cross-sectional study was performed among the 35 Health Care Facilities. Information about types and number of X-ray procedures performed, types and number of personnel involved, workload and the availability of personal dosimetry service were collected. Results  Six Health Care Facilities had personal dosimetry service available for a total of 149 personnel. Of a total of nearly one million X-ray procedures performed in the 35 Health Care Facilities in 2007, 76 % was performed by non-monitored personnel. The majority of the facilities performing high dose procedures, like catheterisation, angiography and intestinal barium procedures did not offer personal dosimetry for the involved personnel. Conclusion  There are a limited number of personnel being monitored with personal dosimetry. There are no regulatory dose limits for occupationally exposed staff. Thus, there is an urgent need to establish a national radiation protection authority to regulate the use of radiation in Nepal. Kathmandu University Medical Journal | VOL.10 | NO. 3 | ISSUE 39 | JUL- SEP 2012 | Page 48-51 DOI: http://dx.doi.org/10.3126/kumj.v10i3.8019

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