Alexi Otrakji Archives - Clinical Tree

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Radiologic Techniques and Dose Reduction Strategies in Chest Imaging

Introduction This chapter reviews various x-ray–based techniques used in thoracic imaging, including radiography, fluoroscopy, digital tomosynthesis, and computed tomography (CT). Conventional, Computed, and Digital Radiography Merely 1 year after discovery of x-rays by Wilhelm Konrad Roentgen, calcium tungstate was chosen…

Safe Use of Contrast Media

Introduction Widespread use of medical imaging has led to a significant increase in the use of radiologic contrast media (CM). Half of the estimated 78 million computed tomography (CT) examinations and 37 million magnetic resonance imaging (MRI) examinations performed annually…