Johnston J Essentials of Radiographic Physics and Imaging 2ed 2016

Johnston J Essentials of Radiographic Physics and Imaging 2ed 2016 | 47.12 MB
English | 292 Pages

Title: Essentials of Radiographic Physics and Imaging - Elsevieron VitalSource
Author: Johnston, James
Year: 2019

Description:
Prepare for success on the ARRT exam and in the practice of radiography! Essentials of Radiographic Physics and Imaging, 3 rd Edition follows the ASRT recommended curriculum and focuses on what the radiographer needs to understand to safely and competently perform radiographic examinations. This comprehensive text gives you a foundational understanding of basic physics principles such as atom structure, electricity and magnetism, and electromagnetic radiation. It then covers imaging principles, radiation production and characteristics, digital image quality, imaging equipment, digital image acquisition and display, image analysis, and more- linking physics to the daily practice of radiographers. New for the third edition is updated information on radiation classifications, a shift in focus to SI units, and a thoroughly updated chapter on Fluoroscopic Imaging .

• UPDATED! Content reflects the newest standards outlined by the ARRT and ASRT, providing you with the information you needed to pass the boards.
  
• Chapter Review Questions at the end of every chapter allow you to evaluate how well you have mastered the material in each chapter.
  
• Critical Thinking Questions at the end of every chapter offer opportunity for review and greater challenge.
  
• Critical Concept boxes further explain and emphasize key points in the chapters.
  
• Radiation Protection callout boxes help you understand the ethical obligations to minimize radiation dosages, shielding, time and distance, how to limit the field of exposure and what that does to minimize dose, and technical factors and how they affect the primary beam and image quality.
  
• More than 400 photos and line drawings encourage you to visualize important concepts.
  
• Strong pedagogy , including chapter objectives, key terms, outlines, bulleted chapter summaries, and specialty boxes, help you to organize information and focus on what is most important in each chapter.
  
• An emphasis on the practical information highlights just what you need to know to ace the ARRT exam and become a competent practitioner.
  
• Numerous critique exercises teach you how to evaluate the quality of radiographic images and determine which factors produce poor images.
  

• NEW! A shift in focus to SI units aligns with international system of measurement.
  
• UPDATED Information regarding radiation classifications helps you to understand radiation levels.
  
• NEW! Inclusion of advances in digital imaging helps familiarize you with state-of-the-art images.
  
• NEW and UPDATED! Expanded Digital Fluoroscopy chapter , familiarizes you with the equipment you will encounter.
  

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