Rad Tech's Guide to Equipment Operation and Maintenance

by Seeram, Euclid

• ISBN13: 9780865424821
• ISBN10: 0865424829
• Edition: 1st
• Format: Paperback
• Copyright: 2001-04-25
• Publisher: Wiley-Blackwell

Summary

To meet the demands of practicing radiologic technologist and students in training, Blackwell introduces the latest volume of the Rad Tech's Guide Series. Rad Tech's Guide to Equipment Operation and Maintenance promises a clinically-relevant introductory review of radiographic imaging systems. This condensed handbook is both a concise review for board preparation exams, as well as handy reference guide for the busy rad tech.This on the spot reference features: *Content based on material found on the AART Entry to Practice Exam *Easy to read text for quick referencing and smooth navigation *Presents the most current and informative material on the technical aspects of radiographic equipment and total quality management *Pocket size -- take it anywhere!

Author Biography

Euclid Seeram, PhD, MSc, BSc, FCAMRT, has academic appointments in Medical Imaging and is Honorary Senior Lecturer in the Department of Radiology of the University of Sydney, Australia. In addition, he is Adjunct Associate Professor in the Faculty of Medicine, Nursing, and Health Sciences at Monash University, Australia; Adjunct Professor in the Faculty of Science, Charles Stuart University, Australia, and Adjunct Associate Professor in the Faculty of Health, University of Canberra, Australia.

Table of Contents

X-Ray Imaging Systems for Diagnostic Radiology	1	(14)
Imaging Systems Overview	2	(4)
Main Components of an Imaging System	6	(3)
Quality Management: An Overview	9	(1)
Nature of Quality Control	10	(5)
Radiographic Imaging Systems	15	(16)
Major Components of a Radiographic Imaging System	16	(5)
Image Receptor: Film-Based Radiography	21	(4)
Film Processing	25	(2)
Radiographic Image Quality	27	(4)
X-Ray Generators	31	(16)
Purpose of the X-Ray Generator	32	(1)
X-Ray Generator Circuit	33	(5)
Rectifiers and Rectification	38	(2)
Types of X-Ray Generators	40	(4)
Power Rating of an X-Ray Generator	44	(3)
X-Ray Tubes for Diagnostic Radiology	47	(14)
Production of X-Rays	48	(1)
Components of X-Ray Tubes	49	(7)
Metal-Ceramic Tube with Double Bearings	56	(1)
X-Ray Tube Heat Capacity	57	(2)
Preventing X-Ray Tube Failure: Practical Considerations	59	(2)
Filtering the X-Ray Beam	61	(6)
What is a Filter?	62	(1)
Types of Filtration	62	(2)
Effects of Filtration on X-Ray Tube Output	64	(1)
Heavy Metal Filters	64	(1)
Compensating Filters	65	(1)
Image Dose Dodging	65	(2)
Exposure Timers for Radiographic Systems	67	(10)
Location of the Timer Circuitry	68	(1)
Main Function of the Timer	68	(1)
Types of Exposure Timers	68	(2)
Automatic Exposure Control	70	(3)
Practical Considerations	73	(1)
Advantages of Automatic Exposure Control	74	(1)
Quality Control for Exposure Timers	74	(1)
Exposure Time and Radiation Protection	75	(2)
Equipment for Controlling Scattered Radiation	77	(16)
Origin of Scattered Radiation	78	(1)
Factors Affecting the Amount of Scatter Production	79	(1)
Sources of Scattered Radiation	80	(1)
Improving Contrast: Antiscatter Techniques	80	(4)
Antiscatter Grids: Design and Performance	84	(7)
Scanning Slit Assemblies	91	(2)
Fluoroscopic Imaging Systems	93	(22)
Elements of a Fluoroscopic Examination	94	(1)
Conventional Fluoroscopy: Equipment Components	95	(4)
X-Ray Image Intensifier Tube	99	(6)
Closed-Circuit X-Ray Television	105	(5)
Automatic Brightness Control	110	(1)
Recording the Fluoroscopic Image: Spot-Filming	110	(1)
Digital Fluroscopy	111	(4)
Mobile Imaging Systems	115	(14)
Radiographic Systems	116	(5)
Accessory Equipment	121	(2)
Fluoroscopic Systems	123	(3)
Mini C-Arm Fluoroscopic Systems	126	(3)
Equipment Maintenance: Continuous Quality Improvement	129	(17)
Definitions	130	(2)
Format of a QC Test	132	(1)
Tools for QC Testing	133	(2)
Parameters for QC Monitoring	135	(1)
Acceptance Criteria-Tolerance Limits	136	(1)
Control Charts	137	(1)
Basic QC Tests for Radiography	137	(4)
Basic QC Tests for Conventional Tomography	141	(1)
Basic QC Tests for Fluoroscopic Systems	141	(2)
QC for X-Ray Film Processors	143	(2)
Repeat Film Analysis	145	(1)
Record Keeping	146	(1)
Benefits of a CQI Program	146