Trends in routine screening examinations.
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چکیده
منابع مشابه
Patient dose in routine X-ray examinations in Yazd state
Background: Medical x-rays are the largest man-made source of public exposure to ionizing radiation. It is important to avoid conditions where the amount of radiation used is more than that needed for the procedure. Materials and Methods: The Entrance Skin Exposure (ESE) measurement was conducted for quality control of x-ray machines and survey of operator’s experimental techniques. The ESEs we...
متن کاملThe need for routine eye examinations.
PURPOSE To determine the incidence and causes of vision loss to assist in the objective determination of the preferred frequency of routine screening for those with normal vision. METHODS A prospective, population-based study of people aged 40 or more years. Standardized examination protocols were used that included presenting and best corrected visual acuity, visual field testing, and compre...
متن کاملpatient dose in routine x-ray examinations in yazd state
background: medical x-rays are the largest man-made source of public exposure to ionizing radiation. it is important to avoid conditions where the amount of radiation used is more than that needed for the procedure. materials and methods: the entrance skin exposure (ese) measurement was conducted for quality control of x-ray machines and survey of operator’s experimental techniques. the eses we...
متن کاملScreening Examinations of Vestibular Function
"This material was prepared by resident physicians in partial fulfillment of educational requirements established for the Postgraduate Training Program of the UTMB Department of Otolaryngology/Head and Neck Surgery and was not intended for clinical use in its present form. It was prepared for the purpose of stimulating group discussion in a conference setting. No warranties, either express or i...
متن کاملDiagnostic reference levels (DRLs) for routine X-ray examinations in Lorestan province, Iran
Background: In diagnostic radiology there are two reasons for measuring or estimating radiation doses to patients. Firstly measurements provide a means for setting and checking standards of good practice as an aid to the optimization of patient protection. Secondly estimates of the absorbed dose to tissue and organs in the patients. Materials and Methods: A total of 2382 patients were studied t...
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ژورنال
عنوان ژورنال: American Journal of Public Health
سال: 1987
ISSN: 0090-0036,1541-0048
DOI: 10.2105/ajph.77.8.1004