ArticleUltrasound in medicine & biology2014
The Gaussian shear wave in a dispersive medium.
Article in Ultrasound in medicine & biology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Merging Single-Track Location Elastographic Imaging with the Frequency Shift Method improves Shear Wave Attenuation Measurements.Frontiers in physics · 2024Article
- Wave-based optical coherence elastography: The 10-year perspective.Progress in biomedical engineering (Bristol, England) · 2022Article
- Spatial localization of mechanical excitation affects spatial resolution, contrast, and contrast-to-noise ratio in acoustic radiation force optical coherence elastography.Biomedical optics express · 2019Article
- Shear wave propagation in viscoelastic media: validation of an approximate forward model.Physics in medicine and biology · 2019Article
- Plane-Wave Imaging Improves Single-Track Location Shear Wave Elasticity Imaging.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2018Article
- Characterization of Viscoelastic Materials Using Group Shear Wave Speeds.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2018Article
- Improving Displacement Signal-to-Noise Ratio for Low-Signal Radiation Force Elasticity Imaging Using Bayesian Techniques.Ultrasound in medicine & biology · 2016Article
- An analytic, Fourier domain description of shear wave propagation in a viscoelastic medium using asymmetric Gaussian sources.The Journal of the Acoustical Society of America · 2015Article
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
In "imaging the biomechanical properties of tissues," a number of approaches analyze shear wave propagation initiated by a short radiation force push. Unfortunately, it has been experimentally observed that the displacement-versus-time curves for lossy tissues are rapidly damped and distorted in ways that can confound simple tracking approaches. This article addresses the propagation, decay and distortion of pulses in lossy and dispersive media, to derive closed-form analytic expressions for the propagating pulses. The theory identifies key terms that drive the distortion and broadening of the pulse. Furthermore, the approach taken is not dependent on any particular viscoelastic model of tissue, but instead takes a general first-order approach to dispersion. Examples with a Gaussian beam pattern and realistic dispersion parameters are given along with general guidelines for identifying the features of the distorting wave that are the most compact.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.