Acoustic radiation force
Comparison of diagnostic efficacy of contrast-enhanced ultrasound, acoustic radiation force impulse imaging, and their combined use in differentiating focal solid thyroid nodules.
... (2014) Comparison of Diagnostic Efficacy of Contrast-Enhanced Ultrasound, Acoustic Radiation Force Impulse Imaging, and Their Combined Use in Differentiating Focal Solid Thyroid Nodules.[r] ...
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Concurrent Visualization of Acoustic Radiation Force Displacement and Shear Wave Propagation with 7T MRI.
... Resonance Acoustic Radiation Force Imaging (MR-ARFI) was developed by McDannold and Maier [28] using a pair of Stejskal-Tanner gradients (unipolar gradients) as motion-sensitizing ...
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Acoustic radiation force impulse (ARFI) elastography of testicular disorders in dogs: preliminary results
... O objetivo deste estudo foi descrever o uso da elastografia ARFI (acoustic radiation force impulse) para avaliar as afecções testiculares em cães. Dezoito cães com distúrbios testiculares (36 ...
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Virtual touch tissue quantification of acoustic radiation force impulse: a new ultrasound elastic imaging in the diagnosis of thyroid nodules.
... Acoustic radiation force impulse (ARFI) is a new modality that could evaluate the tissue stiffness ...short-duration acoustic pulses to generate small (1–10 m m) localized tissue displacements ...
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Integration of acoustic radiation force and optical imaging for blood plasma clot stiffness measurement.
... ultrasound acoustic radiation force (ARF) to induce micron-scaled displacements (1-500 μm) on microbeads suspended in blood ...generated acoustic radiation force allowed ...
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Elastografia Acoustic Radiation Force Impulse (ARFI) e Doppler na avaliação das glândulas adrenais de cães hígidos
... Sessenta glândulas adrenais de 30 cães adultos saudáveis foram avaliadas pela ultrassonografia modo-B e pela elastografia ARFI qualitativa e quantitativa, para avali[r] ...
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Elastografia acoustic radiation force impulse (ARFI), doppler e ultrassonografia contrastada do baço canino
... Sendo assim, este estudo prospectivo visou avaliar a aplicabilidade das novas técnicas ultrassonográficas para avaliação esplênica de caninos, utilizando a elastograf[r] ...
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Acoustic radiation force impulse (ARFI) elastography of adrenal glands in healthy adult dogs
... Considering the recent applicability of ARFI method and the reports of this type of elastography in tissue evaluation of small animals, the present study aims to[r] ...
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Arq. Gastroenterol. vol.53 número3
... 4. Trovato FM, Atzori S, Musumeci G, et al. Liver and spleen transient elastography and Acoustic Radiation Force Impulse Measurements. Performance and comparison of measurements in the same area ...
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Braz. J. Phys. vol.40 número2
... of acoustic radiation force yielded by modu- lated waves ...dynamic radiation force acts on viscoelastic ...this force on polymeric ...
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Clinics vol.72 número9
... applied force and convert the resulting information to a suitable form for ...the force and for measuring and displaying the tissue’s response after applying a force that is either dynamic ...
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Measurement of elasticity of normal placenta using the Virtual Touch quantification technique
... The acoustic radiation force impulse (ARFI) technique is one of the techniques for ultrasound elasticity imaging, which uses the acoustic radiation force through one focalized ...
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Das biochemische Rezidiv beim Prostatakarzinom
... Consensus statement on radiation therapy for pros- tate cancer: guidelines for prostate re-biopsy after radiation and for radiation therapy with rising prostate specific antigen levels a[r] ...
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Rev. bras. ortop. vol.47 número2 en v47n2a15
... The force applied and the displacement were monitored and recorded by means os specific software for the equipment, which also supplied the force-deformation curve for each test (Figure ...maximum ...
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Rev. Bras. Reumatol. vol.49 número3
... deafness, acoustic trauma, acoustic neurinoma, other posterior cranial fossa, multiple sclerosis, neurosyphi- lis, ototoxicity, hypercoagulability, hematologic disease, antiphospholipid antibody syndrome, ...
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Acoustic barriers as an acoustic deterrent for native potamodromous migratory fish species
... The acoustic stimuli comprised 140 Hz tone pulses, 50 ms long, 3 ms ramps, delivered at a rate of 195 min and sine sweeps up to 2 kHz (sweep-up stimulus), 5 s long, delivered at a rate of 12 min (Figure ...
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ACOUSTIC EMISSION ANALYZER
... of acoustic emission of a ...the acoustic measurement value, as well as the direction of the signals and an emission spectrum to the sources analysis could be ...
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Underwater Acoustic simulations with a time variable acoustic propagation model
... Underwater channels are time-variant and spread both in delay and Doppler [1]. The spread in delay is usually given by the multipath that results from multiple reflections in the boundaries and refraction in the water ...
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UAN: underwater acoustic network
... This concept may be better explained using the diagram of figure 2, which will now be explained. The physical network is represented in the lower part of the figure by five nodes, three fixed (FN1, FN2 and STU), where ...
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Liquid rocket combustion chamber acoustic characterization
... Resonant frequencies of the combustion chamber were identiied by analyzing the registered FRF (from 0 to 5,000 Hz), which were measured along the cavity of the chamber. Once identiied, these frequencies were compared ...
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