TY - BOOK AU - Oates,Crispian TI - Ultrasound technology for clinical practitioners SN - 1119891566 PY - 2023/// CY - Newark PB - John Wiley & Sons KW - Diagnostic ultrasonic imaging KW - fast KW - Ultrasonography KW - Electronic books N1 - Description based upon print version of record; BIBINDX; Cover -- Title Page -- Copyright Page -- Contents -- Acknowledgments -- List of Abbreviations -- Introduction -- CHAPTER 1 The Basic Physics of Ultrasound -- Sound Waves -- Describing Waves -- Energy in a Sound Wave -- Ultrasound Pulses -- Energy Spectrum of a Pulse -- Bandwidth -- Quality Factor -- Speed of Sound (C) -- Characteristic Acoustic Impedance, Z0 -- Energy in a Sound Wave -- Decibels -- CHAPTER 2 The Interaction of Ultrasound with Tissue -- Reflection and Transmission at a Plane Interface -- Specular Reflection -- Reflection at an Angle and Refraction -- Poor Visualisation; Scattering -- Total Scattered Power -- The Speckle Pattern -- Attenuation -- Attenuation Coefficient (รก) -- Summary -- The Journey of the Ultrasound Pulse -- User Control -- Transmit Power -- References -- CHAPTER 3 Beam Shapes -- Simple Beam Shape Model -- Huygen's Wavelet Model and Diffraction -- Focusing -- Beam Forming with Transducer Arrays -- Grating Lobes -- Apodization -- Beam Steering -- Beam Shape and Beam Steering -- Electronic Focusing -- Resolution -- Axial Resolution -- Lateral Resolution -- Resolution Versus Penetration -- Clutter -- Reference -- CHAPTER 4 The Ultrasound Probe; The Transducer -- Piezoelectric Effect -- Single Crystal Technology -- Resonant Frequency -- Backing Layer -- Matching Layer -- Front Face Lens -- Wide Band Transducers -- Construction of an Array -- CMUT Technology -- 1-D, 1.5-D, and 2-D Arrays -- The Hanafy Lens -- 1.5-D Array -- 2-D Array -- References -- CHAPTER 5 Image Formation -- Image Modes -- A-Mode (Amplitude Mode) -- M-Mode (Motion Mode) -- B-Mode or Greyscale Image (Brightness Mode) -- Linear Image Formation -- Linear Array -- Frame Rate -- Curvilinear Array -- Phased Array -- Extended Field of View -- Panoramic View -- 3D Imaging; Hand Scanning -- Mechanical 3D Probe -- 2D Matrix Array -- 3D Image Display -- Cine Loop -- Endoprobes -- Choosing A Probe -- Focusing -- Transmit Focus -- Receive Focus -- Increasing Frame Rate -- Synthetic Aperture Imaging -- User Control -- Resolution/Penetration -- Ultrasound Harmonics -- Harmonic Imaging -- Pros and Cons of Harmonic Imaging -- Coded Excitation -- References -- CHAPTER 6 The B-Mode Scanner -- Transmission Side of a Scanner -- Beam Former -- PRF -- Pulse Repetition Frequency -- User Controls -- Transmit Power -- Depth of Focus -- Receive Side of a Scanner (RX) -- Beam Former; Gain -- User Controls -- Gain -- Time Gain Compensation -- Analogue to Digital Converter -- ADC -- Advantages of Digitising -- Echo Detection -- Dynamic Range and Transfer Function (Greyscale Mapping) -- Dynamic Range -- Transfer Function or Grey Scale Mapping -- Contrast Resolution -- User Controls -- Image Memory -- Frame Freeze -- Read and Write Zoom -- Read Zoom -- Write Zoom -- Image Processing -- User Control -- Exam Presets -- Measurements -- CHAPTER 7 Image Quality and Artefacts -- Acoustic Window -- Frame Rate: Frames Per Second (fps) -- Interlacing Scan Lines; Interpolation -- Writing in 'Extra Lines' UR - https://onlinelibrary.wiley.com/doi/book/10.1002/9781119891581 ER -