منابع مشابه
Patient effective dose evaluation for chest X-ray examination in three digital radiography centers
Background: The radiation doses resulting from diagnostic X-ray examinations are routinely measured in terms of entrance surface dose (ESD) and effective dose (ED). In this study, for the purpose of radiation protection, the radiation doses received from Digital chest X-ray examination were evaluated in terms of ESD and ED. Material and Methods: The ED was calculated by using the MCNP ...
متن کاملThe preoperative chest X-ray.
The Oxford English Dictionary defines routine as "a regular course or procedure, a more or less mechanical or unvarying performance of certain acts or duties". Over tie past 20 years a chest radio-graph has become a routine part of the assessment of a patient prior to general anaesthesia. It is right that we should periodically confirm, or perhaps question, our reasons for performing any invest...
متن کاملAn abnormal chest x-ray.
A 51-YEAR-OLD white man with a 45-year history of smoking was noted to have an abnormality on a routine chest x-ray. He denied any history of cough, sputum production, chest pain, dyspnea, weight loss, weakness, or tuberculosis. There was no previous chest x-ray available for comparison. The patient’s physical examination results were unremarkable. His chest x-ray is shown in Figure 1 and a com...
متن کاملThe neonatal chest X-ray.
The chest X-ray is the most valuable imaging modality in the assessment of the neonate with respiratory distress. Whilst many of the radiological appearances are relatively non-specific, integration of the clinical features with the X-ray appearances will help the clinician arrive at the correct diagnosis in most cases. In a minority of infants, particularly those with a congenital malformation...
متن کاملChest X-ray and Fluoroscopy
Chest radiography is the most frequently used radiological chest imaging technique and also one of the most challenging. The technical aspects of this imaging modality are studied extensively. New approaches to image acquisition and display have been introduced in the past decade. As a general rule, establishing the presence of a lung disease process on the radiograph should constitute the firs...
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ژورنال
عنوان ژورنال: Anaesthesia
سال: 1983
ISSN: 0003-2409,1365-2044
DOI: 10.1111/j.1365-2044.1983.tb14129.x