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Diagnostic ultrasound : imaging & blood flow measurements

Langue : Anglais

Auteur :

Couverture de l’ouvrage Diagnostic ultrasound : imaging & blood flow measurements
Ultrasound imaging is one of the most important and widely used diagnostic tools in modern medicine, second only to the conventional x-ray. Although considered a mature field, research continues for improving the capabilities and finding new uses for ultrasound technology while driving down the cost of newer, more complicated procedures such as intravascular ultrasound. Diagnostic Ultrasound: Imaging and Blood Flow Measurements presents new developments, fundamental physics, instrumentation, system architecture, biological effects of ultrasound, and clinical applications that reflect this initiative. Keeping mathematical derivations to a minimum, this book begins with an overview of the field, the strengths and weaknesses of the technology, and its role relative to other imaging modalities. The book proceeds to describe the fundamental physics involved, a detailed examination of the transducer, conventional imaging approaches, and Doppler measurements. The following chapters explore new developments such as flow, displacement, contrast, harmonic, intracavity, and 4-D imaging. The author concludes by reviewing current status and standards on bioeffects along with a unique chapter on measuring ultrasonic properties of tissues that can be found nowhere else. Emphasizing the engineering and signal processing aspects of ultrasound technology rather than taking a clinical perspective, Diagnostic Ultrasound: Imaging and Blood Flow Measurements encourages and enables further advances in this established yet dynamic field.
FUNDAMENTALS OF ACOUSTIC PROPAGATION. Stress and Strain Relationships. Acoustic Wave Equation. Characteristic Impedance. Intensity. Radiation Force. Reflection and Refraction. Attenuation, Absorption, and Scattering. Nonlinearity Parameter B/A. Doppler Effect. References. ULTRASONIC TRANSDUCERS AND ARRAYS. Piezoelectric Effect. Piezoelectric Constitutive Equation. Ultrasonic Transducers. Mechanical Matching. Electrical Matching. Transducer Beam Characteristics. Arrays. GRAY-SCALE ULTRASONIC IMAGING. A (Amplitude)-Mode and B (Brightness)-Mode Imaging. M-Mode and C-Mode. Ultrasound Computed Tomography (CT). Coded Excitation Imaging. Compound Imaging. Synthetic Aperture Imaging. DOPPLER FLOW MEASUREMENTS. Nondirectional CW Flow Meters. Directional Doppler Flow Meters. Pulsed Doppler Flow Meters. Clinical Applications and Doppler Indices. Potential Problems in Doppler Measurements. Tissue Doppler and Multigate Doppler. References. FLOW AND DISPLACEMENT IMAGING. Color Doppler Flow Imaging. Time-Domain Flow Estimation. Elasticity Imaging. B-Flow Imaging. References. CONTRAST MEDIA AND HARMONIC IMAGING. Contrast Agents. Nonlinear Interactions Between Ultrasound and Bubbles. Modified Rayleigh-Plesset Equation for Encapsulated Gas Bubbles. Solutions to Rayleigh-Plesset Equation. Harmonic Imaging. Native Tissue Harmonic Imaging. Clinical Applications of Contrast Agents and Harmonic Imaging. INTRACAVITY AND HIGH-FREQUENCY (HF) IMAGING. Imaging. Intravascular Imaging. High-Frequency Imaging. Acoustic Microscopes. MULTIDIMENSIONAL IMAGING. Parallel Processing. Multidimensional Arrays. Three-Dimensional Imaging. BIOLOGICAL EFFECTS OF ULTRASOUND. Acoustic Phenomena at High-Intensity Levels. Ultrasound Bioeffects. Mechanical Effects. METHODS FOR MEASURING SPEED, ATTENUATION, ABSORPTION, AND SCATTERING. Velocity. Attenuation. Scattering. References. INDEX

Date de parution :

Ouvrage de 214 p.

15x23 cm

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Prix indicatif 138,59 €

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