Ultrasound Physics and Technology : [electronic book] : How, Why and When /
By: Gibbs, Vivien.
Contributor(s): Cole, David [author] | Sassano, Antonio [author].
Series: How, Why and When: Publisher: London : Elsevier Health Sciences UK, 2009Description: 1 online resource (144 pages).Content type: text Media type: computer Carrier type: online resourceISBN: 9780702049927.Subject(s): Diagnostic ultrasonic imaging | Ultrasonics in medicine | Diagnosis![](/opac-tmpl/bootstrap/images/filefind.png)
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Item type | Current library | Call number | Status | Notes | Date due | Barcode | Item holds |
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ATU Sligo Yeats Library eBook | 616.07543 GIB (Browse shelf(Opens below)) | Available Online | Three user |
Front Cover; Ultrasound Physics and Technology: How, Why and When; Copyright Page; Contents; Chapter 1: Introduction to diagnostic ultrasound; Audible Sound; Ultrasound; Reference; Further reading; Chapter 2: Principles and physics of ultrasound imaging-simple terminology definitions; Chapter 3:The piezoelectric effect; The Piezoelectric Effect; Piezoelectric Materials; The Piezoelectric Crystal as a Transmitter of Sound; The Piezoelectric Crystal as a Receiver of Sound; Production of a Pulsed Sound Wave; Resonance; Factors Affecting Wavelength/Frequency.
Important Properties of Piezoelectric MaterialsChapter 4: Acoustic impedance; Acoustic Impedance and Reflection; Intensity Reflection Coefficient; The Intensity Reflection Equation; Acoustic Impedance and Ultrasound Imaging; Chapter 5: The ultrasound beam; Beam Shape; Intensity of the Beam; Side Lobes; Beam Width; Slice Thickness; Focusing the Beam; The Beam Former; Chapter 6: Transducers; Introduction; The Transducer; Electronic Multi-Array Transducers; Forming Ultrasound Images; Electronic Beam Focusing and Steering; Types of Electronic Array Transducers; Chapter 7: Resolution.
Spatial ResolutionContrast Resolution; Temporal Resolution; Optimizing Resolution; Chapter 8: Ultrasound interactions and attenuation; Attenuation; Chapter 9: Artifacts; Assumptions Made by Ultrasound Equipment; Reverberation; Acoustic Shadowing; Acoustic Enhancement; Edge Shadowing; Beam Width Artifact; Slice Thickness Artifact; Side Lobe Artifact; Mirror Image Artifact; Double Image Artifact; Equipment-Generated Artifacts; Chapter 10: Instrumentation and controls; Introduction; Components of a Typical Ultrasound Machine; System Configuration -- Use of Presets; Function of Ultrasound Controls.
MeasurementsReference; Chapter 11: Physical principles of Doppler ultrasound; Introduction; The Doppler Principle; The Doppler Effect Applied to Diagnostic Ultrasound; The Doppler Equation; Types of Doppler Instrumentation in Diagnostic Imaging; Doppler Artifacts; Chapter 12: Ultrasound safety; Introduction; Why are We Interested?; Operating Modes and their Potential Risk; Who Regulates Ultrasound Acoustic Output Limits?; Output Display Standards; Biological Effects of Ultrasound; Prudent Use -- The ALARA Principle; General Guidelines; Machine Controls Which Influence Hazard.
Epidemiological EvidenceReferences; Chapter 13: Quality assurance and performance testing; Introduction; Quality Assurance; Quality Assurance Testing; What Parameters Can be Measured?; Electrical and Mechanical Safety; Limitations of Ultrasound QA testing; References; Further reading; Chapter 14: New technology and recent advances in ultrasound imaging; Digital Beam Forming; High-Frequency Imaging; Extended Field of View Imaging; Compound Imaging; Three-Dimensional Imaging; Harmonic Imaging; Contrast Agents; Pulse Inversion Imaging; Elastography; Tissue Characterization; Tissue Motion.