9780470656488

Practical Veterinary Diagnostic Imaging

by
  • ISBN13:

    9780470656488

  • ISBN10:

    0470656484

  • Edition: 2nd
  • Format: Paperback
  • Copyright: 2012-07-23
  • Publisher: Wiley-Blackwell
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Supplemental Materials

What is included with this book?

  • The New copy of this book will include any supplemental materials advertised. Please check the title of the book to determine if it should include any access cards, study guides, lab manuals, CDs, etc.

Summary

Practical Veterinary Diagnostic Imaging is an essential guide to the various diagnostic imaging modalities that are used in veterinary practice. It moves from basic principles through to discussion of more sophisticated equipment and techniques. Legislation and safety issues are covered looking at the impact these have on the veterinary practice. Presented with clear line diagrams and photographs, revision points and self-assessment questions in each chapter make this book ideal for study.

Author Biography

Suzanne Easton is Senior Lecturer specialising in diagnostic imaging in the Faculty of Health and Life Sciences at the University of the West of England. She also teaches veterinary nurses at Norton Radstock College and Bridgwater College. She holds and MSc in diagnostic imaging based in veterinary radiography, BSc (Hons) Diagnostic Imaging, PG Cert Ed and PG Cert Forensic Radiography.

Table of Contents

Figure Acknowledgementsp. xi
Essential Mathematics and Physicsp. 1
Matter, energy, power and heatp. 1
Units and prefixes used in radiographyp. 3
Radiological unitsp. 4
Useful mathematicsp. 7
Proportions and the inverse square lawp. 7
The Principles of Physics Used in Radiographyp. 11
Electrostatics - the electric chargep. 12
Conductors and insulatorsp. 14
Electricityp. 14
Measuring electricityp. 14
Types of currentp. 15
Laws of an electric currentp. 16
Resistancep. 16
Making a circuit - the optionsp. 17
Magnetismp. 17
The function and composition of a magnetp. 19
Magnetic lawsp. 20
Electromagnetism - electricity and magnetism in unionp. 21
Laws of electromagnetic inductionp. 22
Further readingp. 23
Inside the Atomp. 25
Atoms, elements and other definitionsp. 26
The 'Make-Up' of an atom - atomic structurep. 27
Shells and energyp. 28
The periodic tablep. 28
Radioactivityp. 30
The effects of an electron changing orbitsp. 30
Electromagnetic radiationp. 31
Frequency and wavelengthp. 32
Further readingp. 33
The X-ray Tubep. 35
The tube housingp. 37
The cathodep. 39
The anodep. 42
The line focus principlep. 44
The anode-heel effectp. 45
The stator assemblyp. 45
Tube ratingp. 46
How to look after your X-ray tubep. 47
Further readingp. 47
Diagnostic Equipmentp. 49
The X-ray circuitp. 50
What is seen from the outside?p. 51
High-voltage generatorsp. 51
Rectificationp. 51
Mains supply switchp. 52
Primary circuitp. 52
Operating consolep. 53
Filament circuit - control of the mAp. 54
High-tension circuit - provision of kVp. 55
Making an exposure - switches, timers and interlocksp. 55
Types of X-ray machinesp. 56
Health and safety requirementsp. 59
Power ratingp. 59
Further readingp. 59
Production of X-raysp. 61
Electron productionp. 62
Target interactionsp. 63
X-ray emission spectrump. 64
Altering the emission spectrump. 65
X-ray quantityp. 68
X-ray qualityp. 68
Altering exposure factorsp. 68
Exposure chartsp. 70
Further readingp. 70
The Effects of Radiationp. 71
The effect of the X-ray beam striking another atomp. 72
Absorptionp. 75
Attenuationp. 75
The effects of ionising radiation on the bodyp. 76
Luminescencep. 77
Further readingp. 78
Control of the Primary Beam and Scatterp. 79
Light beam diaphragmp. 80
Factors affecting scattered radiationp. 81
Function of gridsp. 81
Construction of a gridp. 82
Types of gridp. 84
Choosing a gridp. 85
Problems with using a gridp. 85
Air gap techniquep. 86
Further readingp. 86
Radiographic Filmp. 89
Film constructionp. 90
Types of filmp. 93
Formation of the latent imagep. 94
Care and storage of filmsp. 95
Film sensitivityp. 96
Further readingp. 98
Intensifying Screens and Cassettesp. 99
The construction of intensifying screensp. 100
Film-screen combinationsp. 101
Film-screen contactp. 104
Care of intensifying screensp. 104
Construction of cassettesp. 105
Care and use of cassettesp. 106
Further readingp. 106
Processing the Radiographic Filmp. 107
The stages of processingp. 108
Developerp. 111
Fixerp. 112
Parts of the automatic processorp. 114
Replenishmentp. 116
Silver recoveryp. 117
The darkroomp. 118
Control of substances hazardous to health (COSHH) regulationsp. 121
Other methods of processingp. 121
Further readingp. 122
Digital Radiographyp. 125
Computed radiographyp. 127
Care of the imaging plate and cassettep. 129
Computerised radiography processp. 129
Digital radiographyp. 131
Image storagep. 133
Image displayp. 134
Image qualityp. 135
Further readingp. 135
Radiographic Image Qualityp. 137
Sensitometryp. 138
densitometryp. 138
Characteristic curvep. 139
Latitudep. 140
Densityp. 141
Contrastp. 141
Magnificationp. 141
Distortionp. 144
Movementp. 145
Producing a high-quality radiographp. 146
Commonly seen film faultsp. 147
Further readingp. 152
Radiation Protectionp. 153
The effects of ionising radiation on the bodyp. 154
The basics to rememberp. 154
Ionising Radiation Regulations 1999p. 155
Radiation safety in the veterinary practicep. 155
Classifying the areas around an X-ray machinep. 156
Dose limitsp. 157
Monitoring devicesp. 158
Lead shieldingp. 159
Quality assurancep. 160
Further readingp. 161
Radiography Principlesp. 163
General principlesp. 164
Restraintp. 164
Positioning aidsp. 165
Markers and legendsp. 165
Assessing the radiographp. 166
Terminologyp. 166
BVA/KC hip dysplasia and elbow scoring schemep. 168
Further readingp. 169
Contrast Mediap. 171
Negative contrast mediump. 172
Positive contrast mediump. 172
Contrast examination proceduresp. 175
Myelographyp. 182
Other contrast examinationsp. 184
Further readingp. 186
Small Animal Radiography Techniquesp. 189
Chestp. 189
Abdomenp. 191
Head and neckp. 192
Distal extremitiesp. 196
Shoulderp. 198
Pelvisp. 200
Spinep. 201
Small mammalsp. 202
Birdsp. 203
Reptilesp. 204
Large Animal Radiography Techniquesp. 205
Footp. 205
Fetlockp. 207
Metacarpus and metatarsus (cannon and splint)p. 209
Carpusp. 209
Elbowp. 211
Shoulderp. 212
Tarsusp. 213
Stiflep. 214
Headp. 216
Spinep. 216
Chestp. 217
Introduction to Ultrasoundp. 219
Sound wavesp. 220
Ultrasoundp. 220
How ultrasound worksp. 220
Types of ultrasound scanp. 222
Doppler ultrasoundp. 223
Effects on tissuep. 224
Ultrasound machines and transducersp. 224
Patient preparationp. 225
Areas suitable for examinationp. 225
Further readingp. 226
Advance Imaging Techniquesp. 227
Fluoroscopyp. 228
Computerised tomography (CT)p. 230
Magnetic resonance imaging (MRI)p. 232
Nuclear scintigraphyp. 234
Further readingp. 238
Indexp. 239
Table of Contents provided by Ingram. All Rights Reserved.

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