Quality Control of Radiography Equipments in Golestan Province of IRAN

نویسندگان

  • Alireza Khoshbin Khoshnazar Medical Physicist, Department of Biochemistry and Medical Physics, Faculty of Medicine, Golestan University of Medical Sciences.
  • Milad Mokhtarian Radiology Technologist, 5th Azar Hospital, Golestan University of Medical Sciences.
  • Peyman Hejazi Medical Physicist, Department of Pharmacology and Medical Physics, Faculty of Medicine, Semnan University of Medical sciences
  • Shahin Nooshi Health Engineer, Health Affair of Golestan University of Medical Sciences, Golestan University of Medical Sciences
چکیده مقاله:

Introduction The main goal of this study was to perform quality control test on all radiography units operating in Golestan province of IRAN. Materials and Methods Forty-four X-ray units were examined based on general accepted programs for quality control. Eight parameters including kVp accuracy, kVp reproducibility, mA-time reciprocity, exposure linearity, exposure reproducibility, timer accuracy, filtration, and beam alignment were measured and calculated. Measurements were carried out by a Baracuda X-ray beam analyzer. Results Variance of kVp reproducibility was acceptable in 100% of equipments. kVp accuracy was found to be unsatisfactory in 29.5% of equipments. Variance of mA-time reciprocity was measured to be within reliable limits. Thirty-nine percent of radiography equipments showed non-linear exposure attitude while 16.7 % of them exhibited unacceptable reproducibility of exposure. Moreover, beam misalignment was met in 29.5% of equipments. In 43.2% of radiography equipments, timer accuracy was out of permissible range. Conclusion Timer inaccuracy seems to be a common problem for X-ray units. Exposure non-linearity, mA-time non-reciprocity, kVp inaccuracy, beam misalignment, and finally non-reproducibility of exposure were found to have less importance.

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عنوان ژورنال

دوره 10  شماره 1

صفحات  37- 44

تاریخ انتشار 2013-03-01

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