نتایج جستجو برای: chest phantom pediatric radiography

تعداد نتایج: 217855  

Aims Chest radiography is the first choice for the investigation of cardiovascular and respiratory disease. Radiographer technologists are responsible for managing the radiation exposure to patients and providing adequate image quality according to the ALARA concept. The knowledge and experience of radiographers in performing chest radiography helps to improve the diagnosis of diseases. The aim...

Mohammad Reza Sasani

Endobronchial tuberculosis and chest radiography I read, with interest, the article entitled “Clinical and Para-clinical Presentations of Endobronchial Tuberculosis” by Ahmadi Hoseini H. S. et al. (1) published in this journal. I would like to focus on some details about the chest X-ray of patients as elaborated by the authors in the results section. Accordingly, the findings of chest radiograp...

2013
Lakshmi Muthukrishnan

Objective: To analyze the indications for chest (CXR) radiography, radiological abnormalities and the clinical predictors for pneumonia in children who present with acute wheeze to the pediatric emergency department. Methods: This prospective study was conducted in the emergency department of a tertiary care pediatric referral hospital between July and December 2012. Children between 6 months t...

Behzad Mohsenzadeh, Fereshte Rahmani Hamed Bagheri Khatereh Shamsi Leila Azimi Mohammad Reza Deevband, Zeinab Kaveh

Introduction: This study, evaluate pediatric digital radiography. Due to the high rates of this test and the high sensitivity of children to ionizing radiation in comparison with adults, it is attempted to achieve near optimal conditions by reducing the dose and maintaining the image quality. The object of the study is to change the irradiation parameters such as kV and mA and ...

Journal: :international journal of pediatrics 0
hassan mottaghi moghadam shahri associated professor, department of pediatrics, neonatal research center, mashhad university of medical sciences, mashhad, iran saied naghibi assistant professor, department of radiology, azad university of medical sciences, mashhad, iran elham mahdavi general practitioner, azad university of medical sciences, mashhad, iran gholamreza khademi sheikh hospital, mashhad university of medical sciences, mashhad, iran.

background: chest radiography is one of the most usual diagnostic tools for respiratory distress. objective: the purpose of this study is to assess the specificity, sensitivity and clinical value of chest radiography of neonates with respiratory distress.patients and methods: a descriptive- analytical study was conducted on 102 neonates that were in neonatal intensive care unit of imam reza and...

Introduction: The study was undertaken to evaluate the practice of chest radiography using different digital imaging systems and its influence on dose and image quality.  Materials and Methods: The study was carried out in two hospitals from March 2016 to June 2016. Sixty ambulatory patients aged 21 to 60 years who were able to cooperate without difficulty and weighed between 60 to 80 kg were ...

2014
Ching‐Yi Hsieh Gregory Gladish Charles E. Willis

Misregistration due to cardiac motion causes artifacts in two-exposure dual-energy subtraction images, in both the soft-tissue-only image and the bone-only image. Two previous investigations have attempted to avoid misregistration artifacts by using cardiac gating of the first and second exposures. The severity of misregistration was affected by the heart rate, the time interval between the low...

Journal: :Diagnostic and interventional radiology 2009
Süreyya Burcu Görkem Ali Yikilmaz Abdülhakim Coşkun Mustafa Küçükaydin

Zenker diverticulum is known as an adult disease which occurs as result of outpouching of pharyngeal mucosa through a weak zone in the posterior wall of the pharynx. It is a very rare disorder in childhood, and only a few pediatric cases of Zenker diverticulum have been reported. Here, we report a 10-year-old boy with Zenker diverticulum who presented with aspiration pneumonia, dysphagia, regur...

Journal: :international journal of pediatrics 0
vahid karami medical physics student, department of medical physics, school of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran. mansour zabihzadeh assistant professor, department of medical physics, faculty of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran. abdolreza gilavand employed expert on faculty appointments at ahvaz jundishapur university of medical sciences, ahvaz, iran. nasim shams deparment of oral and maxillofacial radiology, faculty of dentistry, jundishapur university of medical sciences, ahvaz, iran.

background the use of shielding tools and x-ray beam collimator has extensively been advocated as effective methods to reduce radiation exposure to patients underwent radiological procedures. the aim of this study was to address the use of these protection measures during infant chest radiography. material and methods 348digital and/or analogue infant chest radiographs were reviewed that perfor...

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