نتایج جستجو برای: Ray Radiation Protection

تعداد نتایج: 683914  

Journal: :iranian journal of medical physics 0
behrouz rasuli department of radiology technology, behbahan faculty of medical sciences, behbahan, iran mohamad javad tahmasebi birgani department of radiation therapy, golestan hospital, ahvaz jundishapur university of medical sciences, ahvaz, iran

introduction quality control techniques used to test the components of the radiological system and verify that the equipment is operating satisfactorily. in this study, quality control (qc) assessment of conventional radiology devices was performed in frequently visited radiology centers of khuzestan province, iran. materials and methods fifteen conventional radiology devices were examined, bas...

Journal: :international journal of pediatrics 0
vahid karami department of medical physics, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran. mansour zabihzadeh department of medical physics, school of medicine, student research committee, ahvaz jundishapur university of medical sciences, ahvaz, iran and department of clinical oncology, golestan hospital, ahvaz jundishapur university of medical sciences, ahvaz, iran nasim shams department of oral and maxillofacial radiology, school of dentistry, ahvaz jundishapur university of medical sciences, ahvaz, iran saman sarikhani department of radiology, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran.

background: gonad shielding has been recommended during pelvic x-rays since the 1950s. the popular method of gonad shielding is placement a lead shield in the midline of the pelvis. the aim of this study was to evaluate the prevalence and utility of gonad shielding in pediatrics undergoing pelvic x-rays.materials and methodsfollowing study approval, we retrospectively retrieved data from the di...

Journal: یافته 2007
hamid reza Khossravi , mehrdad Gholami , mohammad reza Abedini , soheila Akbari ,

Gholami M1, Abedini MR2, Khossravi HR3, Akbari S4 1. Instructor, Department of medical physics, Faculty of medicine, Lorestan University of medical sciences 2. Assistant professor, Department of radiology, Faculty of medicine, Lorestan University of medical sciences 3. Assistant professor, Department of radiation protection, Iranian Atomic Energy Organization 4. Assistant professor, D...

ذبیح زاده, منصور, کرمی, وحید,

Background and purpose: Increasing number of patients undergoing x-ray examinations has created a global concern due to the deleterious biological effects associated with x-ray exposure. Adherence to ionizing radiation protection principles could be of great benefit in decreasing these effects. Accordingly, the aim of this study was to survey radiation protection in diagnostic x-ray imaging in ...

ذبیح‌زاده, منصور, کرمی, وحید,

Discovery of x-ray and using of it for medical imaging have produced tremendous outcomes for diagnosis and treatment of diseases. More than 10 million diagnostic radiological procedures and 100,000 nuclear medicine exams are being performed daily around the world. According to the national commission on radiological protection and measurements (NCRP)-report 160, medical x-ray is contribute to a...

Journal: :journal of medical education 0
m r tavakoli

background: the use of the ionizing radiation in the medical practice has evolved since its beginnings. their benefit for the patient is considerable in term of comfort, diagnostic and therapeutic effectiveness. it is estimated that 30% to 50% of critical decisions in medical approaches is based on x-ray examination. using the x-ray as a diagnostic means by clinicians requires appropriate and a...

Journal: :journal of biomedical physics and engineering 0
m kazempoor 1. msc, department of radiobiology, school of paramedical sciences, shiraz university of medical sciences, shiraz, iran; 2. student research committee, school of paramedical sciences, shiraz university of medical sciences, shiraz, iran; m saeedimoghadam ionizing and non-ionizing radiation protection research center, school of paramedical sciences, shiraz university of medical sciences, shiraz, iran f shekoohi shooli n shokrpoor english department, faculty of paramedical sciences, shiraz university of medical sciences, shiraz, iran

background: in diagnostic radiology lead apron, are usually used to protect patients and radiology staff against ionizing radiation. lead apron is a desirable shield due to high absorption and effective attenuation of x-ray photons in the diagnostic radiology range. objective: although lead aprons have good radiation protection properties, in recent years, researchers have been looking for alte...

Jahangir Haghani, Maryam Rad, Maryam Raoof, Moulok Torabi-Parizi Sodabeh Lotfi

BACKGROUND AND AIM: Protective equipment, such as lead aprons and thyroid shields, is effective in reducing patient radiation. This study was conducted for evaluation the use of thyroid shields and lead aprons in dental offices, in Kerman, Iran, in June 2014.METHODS: In this descriptive-analytical study, 106 dental offices with active X-ray machines were evaluated in Kerman. The information was...

Background:In diagnostic radiology lead apron, are usually used to protect patients and radiology staff against ionizing radiation. Lead apron is a desirable shield due to high absorption and effective attenuation of x-ray photons in the diagnostic radiology range.Objective: Although lead aprons have good radiation protection properties, in recent years, researchers have been looking for altern...

Fataneh Aziz- zadeh Mohammad Rasoul Tohidnia Rasool Azmoonfar, Sogand AbbasiAzizi Tahereh Izadi

Introduction: Radiography plays an important role in the diagnosis of oral and dental disease and one of the most common diagnostic procedures in dentistry. Recent reports have raised concern about the increased use of ionizing radiation in dental imaging and the possibility of cancers. The effective dose of some dental radiographic examinations is high enough, so appropriate ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید