نتایج جستجو برای: diagnostic reference level effective dose

تعداد نتایج: 2379398  

Introduction: Dental panoramic radiography (DPR) is one of the most frequent diagnostic X-ray procedures, the application of which is currently on a growing trend. During DPR, several radiosensitive tissues, such as the lens of the eyes, parotid gland, and thyroid gland, contribute to the radiation field, and it is necessary to monitor their received dose. The aim of t...

Mohammad Bahrami Mohammad Taghi Bahreyni Toossi,

Introduction Computed Tomography scans are a very important tool for diagnosis and assessment of response to treatment in the practice of medicine. Ionizing radiation in medical imaging is undoubtedly one of the most powerful diagnostic tools in medicine. Yet, as with all medical interventions, there are potential risks in addition to the clear potential benefits. Materials and Methods Two refe...

2017

Here we describe the first clinical experiences regarding the use of an automated radiation dose management software to monitor the radiation dose of patients during routine examinations. Many software solutions for monitoring radiation dose have emerged in the last decade. The continuous progress in radiological techniques, new scan features, scanner generations and protocols are the primary c...

2017

Here we describe the first clinical experiences regarding the use of an automated radiation dose management software to monitor the radiation dose of patients during routine examinations. Many software solutions for monitoring radiation dose have emerged in the last decade. The continuous progress in radiological techniques, new scan features, scanner generations and protocols are the primary c...

Journal: :iranian journal of radiation research 0
e. tabar sakarya university, faculty of science and art, department of physics, sakarya, turkey h. yakut sakarya university, faculty of science and art, department of physics, sakarya, turkey

background: there is a rapid increase worldwide in the consumption of mineral waters which may contain different level of radioactive elements, especially 226ra, in addition to varying amounts of beneficial salts. therefore, a comprehensive study was planned and carried out in order to determine concentration of 226ra natural radionuclide in bottled mineral waters that commercially available in...

Journal: :iranian journal of radiation research 0
a. termizi ramli department of physics, faculty of science, university technology malaysia a.s. aliyu department of physics, faculty of science, university technology malaysia e.h. agba department of physics, faculty of science benue state university makurdi, nigeria m.a. saleh department of physics, faculty of science, university technology malaysia

background: human is exposed to radiation in their environment with or without their consent and the exposure to natural background radiation is an unpreventable event on earth. materials and methods: an in situ assessment of the indoor and outdoor background radiation in akwanga and keffi towns of nasarawa state nigeria was carried out using a halogen-quenched geiger muller (gm) detector (insp...

Journal: :iranian journal of radiation research 0
m. malakootian environmental health engineering research center, kerman university of medical sciences, kerman, iran y. soltani nejhad department of environmental health, school of public health, kerman university of medical sciences, kerman, iran

background: radon is one of the most important radioactive elements which is released by natural decay of available uranium and radium in the ground. the presence of radon gas is common, wherever those faults are located there. radon concentration of various drinking water resources of bam villages; located near bam fault; was measured. materials and methods: this cross-sectional study was cond...

Aleya Begum Ashraful Hoque Miah Mohammad Mahfuz Siraz Mohammad Sohelur Rahman, Rezaul Karim Khan

Introduction: Occupational exposure to ionizing radiation due to medical activities (both diagnostic and therapeutic procedures) has increased sharply in recent years. Among the occupationally exposed workers in these fields, those most affected by this increased exposure to ionizing radiation are nuclear medicine workers. In this study, annual average effective dose, annual collective effectiv...

2008
D HART

The National Patient Dose Database (NPDD) is maintained by the Radiation Protection Division of the Health Protection Agency. The latest review of the database analysed the data collected from 316 hospitals over a 5-year period to the end of 2005. The information supplied amounted to a total of 23 000 entrance surface dose measurements and 57 000 dose–area product measurements for single radiog...

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