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Updated: Jun 28, 2026

Blood Flow Imaging with Ultrafast Doppler

Blood Flow Imaging with Ultrafast Doppler

Published on: October 14, 2020

High frame-rate blood vector velocity imaging using plane waves: simulations and preliminary experiments.

Jesper Udesen¹, Fredrik Gran, Kristoffer Lindskov Hansen

¹Dept. of Radiol., Rigshospitalet. Blegdamsvej, Copenhagen, Denmark. ju@oersted.dtu.dk

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

|November 7, 2008

Summary

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This study introduces a novel ultrasound technique for high frame-rate blood velocity imaging. The advanced method achieves accurate 2D vector velocity measurements, outperforming conventional approaches.

Area of Science:

Medical Imaging
Ultrasound Technology
Biomedical Engineering

Background:

Conventional ultrasound struggles with low frame-rates and single-directional velocity estimation.
Limitations hinder comprehensive blood flow analysis in clinical settings.

Purpose of the Study:

To develop and validate an advanced ultrasound method for high frame-rate, 2D vector blood velocity imaging.
To overcome the limitations of conventional ultrasound velocity estimation.

Main Methods:

Utilized unfocused ultrasound transmission with simultaneous 13-bit Barker coding from each element.
Employed 2D cross-correlation for estimating 2D vector blood velocity.
Validated through simulations (Field II) and experimental flow rig measurements.

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Last Updated: Jun 28, 2026

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Particle Image Velocimetry Investigation of Hemodynamics via Aortic Phantom

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Main Results:

Achieved vector velocity images at 100 Hz frame-rate using 40 speckle images per vector.
Observed blood flow patterns approximating vessel walls with a maximum velocity of ~1 m/s.
Demonstrated a 9% deviation in volume flow compared to MR angiography.

Conclusions:

The novel ultrasound method enables high frame-rate 2D vector velocity imaging.
The technique shows promise for accurate, comprehensive blood flow assessment.
Results suggest potential for improved diagnostic capabilities in vascular imaging.