Mohsen Asadinezhad
Department of Radiology Technology, School of Paramedical Sciences, Mashhad University of Medical Sciences
[ 1 ] - Quality Control Assessment of Conventional Radiology Devices in Iran
Introduction Quality control (QC) techniques are used in monitoring and maintenance of the components of an x-ray system. QC of radiology devices plays a significant role in reduction of medication dose and optimization of image quality. This study aimed to conduct QC tests on randomly selected radiology devices, installed in diagnostic imaging departments of Iran. Materials and Methods In tota...
[ 2 ] - Determination of Radionuclide Concentrations in Tea Samples Cultivated in Guilan Province, Iran
Introduction Foodstuffs are known to contain natural and artificial radionuclides. Determination of radionuclide concentration is of great significance for the protection of human health. The main objective of the present study was the quantification of radionuclides in tea samples, cultivated in Guilan Province in North of Iran. Materials and Methods The activity concentrations of 226Ra, 232Th...
[ 3 ] - Assessment of Outdoor Gamma Radiation Dose Rates in 49 Cities of Guilan Province, IRAN
Introduction Guilan is one of the provinces in North of Iran, with population of 2,480,874 and a total area of 14,042 square kilometers. This study assesses the outdoor natural gamma dose rates in the air of 49 cities in Guilan and calculates corresponding average annual effective dose. Materials and Methods A total of 260 different sample points measurements were carried out. The results inc...
[ 4 ] - بررسی دیدگاه دانشجویان رشته تکنولوژی پرتوشناسی از کیفیت آموزش بالینی در دانشکده پیراپزشکی شرق گیلان
سابقه و هدف: آموزش بالینی، بخش مهم آموزش در رشته های پیراپزشکی است لذا برای تعیین مشکلات و بهبود کیفیت آموزش، باید وضعیت آن مورد ارزیابی قرار گیرد. این مطالعه با هدف تعیین کیفیت آموزش بالینی از دیدگاه دانشجویان رشته تکنولوژی پرتوشناسی انجام شد. مواد و روشها: این پژوهش از نوع توصیفی- مقطعی بوده و در نیم سال اول سال تحصیلی 95-94 به صورت سرشماری بر روی 80 نفر از دانشجویان رشته تکنولوژی پرتوشناسی ...
[ 5 ] - Diagnostic Reference Levels for Computed Tomography Examinations in Iran: A Nationwide Radiation Dose Survey
Introduction: International Commission on Radiological Protection introduced three basic principles of radiation protection, namely justification, optimization, and dose limit. Medical exposure has no dose limits, and generally, diagnostic reference levels are used as a tool for optimization of patient protection. Material and Methods: Dosimetry was performed on 20 CT scanners located in 14 cit...
[ 6 ] - Introducing "Student Staff Utilized Index" as a quantification index of education
Abstract Background: In this article "Student to Staff Index" was improved by implying student grades and staff academic ranks in every institute as a new "Standard S. to S. Index". Also "Utilized S. from S. Index" was introduced for controlling and ranking the private universities. Methods: This index uses the numbers of classes a...