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Related Experiment Video

Updated: May 12, 2026

Blood Flow Imaging with Ultrafast Doppler
05:57

Blood Flow Imaging with Ultrafast Doppler

Published on: October 14, 2020

Simultaneous quantification of flow and tissue velocities based on multi-angle plane wave imaging.

Ingvild Kinn Ekroll1, Abigail Swillens, Patrick Segers

  • 1Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway. ingvild.k.ekroll@ntnu.no

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
|April 4, 2013
PubMed
Summary

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This study introduces a novel angle-independent 2-D ultrasound technique for precise flow and tissue imaging. The enhanced vector Doppler (VD) method significantly improves velocity measurements, offering better visualization of complex blood flow patterns.

Area of Science:

  • Ultrasound imaging
  • Medical physics
  • Biomedical engineering

Background:

  • Current ultrasound techniques face limitations in accurately quantifying blood flow velocity, especially in complex vascular geometries.
  • Angle-dependent measurements reduce the precision of conventional Doppler ultrasound.

Purpose of the Study:

  • To evaluate a quantitative, angle-independent 2-D ultrasound modality for flow and tissue imaging.
  • To assess the accuracy of the vector Doppler (VD) technique using multi-angle plane wave acquisition.

Main Methods:

  • Simulations of carotid artery bifurcation flow and Couette flow phantom were performed.
  • A packet acquisition scheme for B-mode and vector Doppler radiofrequency data was implemented.
  • Offline beamforming and post-processing were conducted on a research scanner.

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Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques
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Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques

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Determining 3D Flow Fields via Multi-camera Light Field Imaging
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Determining 3D Flow Fields via Multi-camera Light Field Imaging

Published on: March 6, 2013

Related Experiment Videos

Last Updated: May 12, 2026

Blood Flow Imaging with Ultrafast Doppler
05:57

Blood Flow Imaging with Ultrafast Doppler

Published on: October 14, 2020

Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques
10:53

Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques

Published on: March 12, 2019

Determining 3D Flow Fields via Multi-camera Light Field Imaging
14:25

Determining 3D Flow Fields via Multi-camera Light Field Imaging

Published on: March 6, 2013

Main Results:

  • Increased ensemble size reduced root mean square deviation for lateral and axial velocity components.
  • Simulations of slowly moving tissue showed promising results with low root mean square deviation.
  • In vivo studies in healthy volunteers and patients with carotid artery disease demonstrated improved visualization of stenoses and secondary flow patterns.

Conclusions:

  • The developed angle-independent 2-D vector Doppler ultrasound technique provides accurate quantitative flow and tissue velocity imaging.
  • This advanced technique offers superior visualization of complex hemodynamics compared to conventional color Doppler.
  • Retrospective analysis of the full velocity spectrum at arbitrary points is achievable.