Technical fundamentals of radiology and CT /

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"Version: 20160501"--Title page verso.Includes bibliographical references.Preface -- 1. The basics of x-rays -- 1.1. What are x-rays? -- 1.2. Characteristics and properties of x-rays -- 1.3. Substances and x-rays -- 1.4. The effect of x-rays on radiographic film2. Radiographic quality -- 2.1. Properties of radiographic quality -- 2.2. Quality control factors -- 2.3. Density and current -- 2.4. The relationship between current and time -- 2.5. Other factors affecting density -- 2.6. Kilovolts and contrast -- 2.7. Other factors controlling the contrast -- 2.8. Definition -- 2.9. Distortion -- 2.10. Rules for good quality x-ray images3. Radiology devices -- 3.1. The basics of radiology devices -- 3.2. A self-rectifying x-ray generator -- 3.3. The difference between x-ray tubes in systems of low and high power4. Imaging systems -- 4.1. Introduction -- 4.2. Tomography -- 4.3. Angiographic systems -- 4.4. Radiography and fluoroscopy devices (R/F) -- 4.5. Devices for neurology -- 4.6. Mobile devices -- 4.7. Portable devices -- 4.8. Mammography -- 4.9. Photofluorography devices -- 4.10. Urology devices -- 4.11. Therapeutic x-ray devices5. X-ray tubes -- 5.1. Introduction -- 5.2. Structure and operation -- 5.3. Different types of tubes -- 5.4. Characteristics of the focal spot6. The components of x-ray devices -- 6.1. The x-ray generator -- 6.2. Autotransformer -- 6.3. The exposure switch -- 6.4. The x-ray contactor -- 6.5. The timer -- 6.6. The rotation circuit -- 6.7. Additional functions -- 6.8. Classification of generators -- 6.9. The transformer cabinet -- 6.10. Rectification and power -- 6.11. High voltage cables -- 6.12. The radiographic tube -- 6.13. Electromechanical accessories -- 6.14. Radiographic tables -- 6.15. Tomography7. Electromechanical accessories -- 7.1. The wall cassette holder with an anti-scatter grid -- 7.2. Column tube stand -- 7.3. Ceiling suspensions -- 7.4. The spot film device -- 7.5. Restrictors and collimators -- 7.6. Anti-scatter grids8. Automatic exposure control -- 8.1. Introduction -- 8.2. Ionization chambers -- 8.3. Photoelectric systems -- 8.4. SSRDs9. Film changer -- 9.1. Introduction -- 9.2. The AOT system -- 9.3. The PUCK system10. Cinefluorography systems -- 10.1. Introduction -- 10.2. The components of a cinefluorographic system -- 10.3. Radiological TV systems -- 10.4. The fluoroscopy generator -- 10.5. The image intensifier -- 10.6. The TV center -- 10.7. The TV monitor11. Servo control -- 11.1. Introduction -- 11.2. Power supply controller -- 11.3. Types of regulators -- 11.4. Servo adjustment of voltage power -- 11.5. Servo adjustment of high voltage applied to the tube -- 11.6. Servo systems for tomography -- 11.7. Servo-adjustment of spot film devices -- 11.8. Servo systems for video control12. High frequency technique (multipulse) -- 12.1. Introduction -- 12.2. How to obtain a high voltage variable frequency -- 12.3. A complete multipulse circuit13. CT principles and fundamentals -- 13.1. Introduction -- 13.2. A historical summary of CT14. On-screen CT -- 14.1. Introduction -- 14.2. In comparison to conventional radiography -- 14.3. Concepts associated with the explored layer15. Principles of CT -- 15.1. Introduction -- 15.2. Density and attenuation -- 15.3. Absorption of radiation -- 15.4. The axial irradiation procedure -- 15.5. The procedure for calculated attenuation coefficents16. Mathematical analysis of convolution -- 16.1. Introduction -- 16.2. Fourier analysis -- 16.3. Convolution -- 16.4. Application to CT.Technical Fundamentals of Radiology and CT is intended to cover all issues related to radiology and computed tomography, from the technological point of view, both for understanding the operation of all devices involved and for their maintenance. It is intended for students and a wide range of professionals working in various fields of radiology, those who take images and know little about the workings of the devices, and professionals who install, maintain and solve technological problems of all radiological systems used in health institutions.Biomedical engineering students, medical equipment technicians, radiologists, medical physicists, manufacturers of X-ray equipment.Also available in print.Mode of access: World Wide Web.System requirements: Adobe Acrobat Reader.Guillermo Avenda?ano Cervantes has over more than 38 years working in hospitals and universities in Chile, Panama, Cuba, and Mexico. He is currently Professor of Biomedical Engineering and Director of CCIB Center of Knowledge in Biomedical Engineering from the University of Valparaiso where he specializes in the education and training in hospital safety issues such as the safe handling of gases, electromedical safety and safety in radiological and nuclear processes. He has also designed and built X-ray equipment in Mexico, Panama and Chile, and has published a number of books in this area.Title from PDF title page (viewed on May 31, 2016).

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Publisher

: .,

Collation

1 online resource (various pagings) :illustrations (some color).

Language

English

ISBN/ISSN

9780750312127

Classification

616.07/572

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-

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-

Edition

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Subject(s)

Diagnosis, Radioscopic.
Diagnostic imaging.
Tomography.
Tomography, X-Ray Computed.
Radiology.
MEDICAL / Radiology, Radiotherapy & Nuclear Medici

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Guillermo Avenda?ano Cervantes.

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