Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Assessing Blood pressure using a doppler ultrasound

Assessing Blood pressure using a doppler ultrasound

To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:

Ultrasonography

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called...

Imaging Studies II: Ultrasonography

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...

Phase Contrast and Differential Interference Contrast Microscopy

Phase Contrast and Differential Interference Contrast Microscopy

Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...

Equipments Used To Measure Blood Pressure

Equipments Used To Measure Blood Pressure

Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...

Doppler Effect - II

Doppler Effect - II

The Doppler effect has several practical, real-world applications. For instance, meteorologists use Doppler radars to interpret weather events based on the Doppler effect. Typically, a transmitter emits radio waves at a specific frequency toward the sky from a weather station. The radio waves bounce off the clouds and precipitation and travel back to the weather station. The radio frequency of the waves reflected back to the station appears to decrease if the clouds or precipitation are moving...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Ultrafast ultrasound shear wave elastography: a novel approach for assessing myocardial stiffening in congenital aortic stenosis.

Open heart·2026

Same author

High-contrast ultrafast ultrasound power doppler imaging using subarray adaptive temporal autocorrelation with phase compensation.

Biomedical physics & engineering express·2026

Same author

Left Ventricular Strain-Volume Loops in a Healthy Population: The Role of Sex and Age.

Echocardiography (Mount Kisco, N.Y.)·2026

Same author

Correction: Continuous shear wave measurements for dynamic cardiac stiffness evaluation in pigs.

Scientific reports·2026

Same author

Determinants of Digital Health Literacy Among Patients With Serious Mental Illness: Cross-Sectional Survey.

JMIR mental health·2026

Same author

Running exercise mitigates amyloidosis in 5xFAD mice by improving the structure and function of the meningeal lymphatic system.

Acta neuropathologica communications·2026

Same journal

Cardiac Natural Mechanical Wave Detection and Speed Estimation Using Deep Learning-Based 2-D Ultrasound Imaging: A Feasibility Study.

Ultrasound in medicine & biology·2026

Same journal

Region-Specific Evaluation of Plaque Segmentation in Cross-sectional Projections of Carotid Ultrasound Images Using Deep Learning Models in a Sub-clinical Atherosclerosis Cohort.

Ultrasound in medicine & biology·2026

Same journal

Simulating the Dedifferentiation Process of Thyroid Cancer: Insights from Mouse Models and Ultrasound Imaging.

Ultrasound in medicine & biology·2026

Same journal

A Nomogram Based on Ultrasound Features for Predicting Major Intra-Operative Hemorrhage in Patients With Placenta Accreta Spectrum (PAS).

Ultrasound in medicine & biology·2026

Same journal

MedLP-HAFB-CLIP: Hierarchical Adaptive Large Model With Learnable Medical Prompts for Level II Ultrasound Standard Plane Identification.

Ultrasound in medicine & biology·2026

Same journal

Data Assimilating B-splines for Model-based Regularization in Ultrasound Vector Flow Imaging.

Ultrasound in medicine & biology·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Sep 11, 2025

Blood Flow Imaging with Ultrafast Doppler

Blood Flow Imaging with Ultrafast Doppler

Published on: October 14, 2020

Pulse-inversion Doppler-based Phase-compensation Reduces Decorrelation in High-frame Rate Contrast-enhanced

Hsin Huang¹, Yichuang Han², Hendrik J Vos³

¹Thorax Biomedical Engineering, Department of Cardiology, Erasmus MC University Medical Center, Rotterdam, the Netherlands; Department of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan.

Ultrasound in Medicine & Biology

|August 17, 2025

Summary

This summary is machine-generated.

This study introduces a phase-compensation algorithm for high-frame-rate contrast-enhanced ultrasound. The method reduces signal loss in fast blood flow, improving velocity measurements for better flow estimation.

Keywords:

Blood flow imaging Contrast-enhanced ultrasound Decorrelation EchoPIV High frame-rate imaging Phase compensation Pulse-inversion Doppler

More Related Videos

Real-time Monitoring of High Intensity Focused Ultrasound HIFU Ablation of In Vitro Canine Livers Using Harmonic Motion Imaging for Focused Ultrasound HMIFU

Real-time Monitoring of High Intensity Focused Ultrasound HIFU Ablation of In Vitro Canine Livers Using Harmonic Motion Imaging for Focused Ultrasound HMIFU

Published on: November 3, 2015

A Novel Application of Musculoskeletal Ultrasound Imaging

A Novel Application of Musculoskeletal Ultrasound Imaging

Published on: September 17, 2013

Related Experiment Videos

Last Updated: Sep 11, 2025

Blood Flow Imaging with Ultrafast Doppler

Blood Flow Imaging with Ultrafast Doppler

Published on: October 14, 2020

Real-time Monitoring of High Intensity Focused Ultrasound HIFU Ablation of In Vitro Canine Livers Using Harmonic Motion Imaging for Focused Ultrasound HMIFU

Real-time Monitoring of High Intensity Focused Ultrasound HIFU Ablation of In Vitro Canine Livers Using Harmonic Motion Imaging for Focused Ultrasound HMIFU

Published on: November 3, 2015

A Novel Application of Musculoskeletal Ultrasound Imaging

A Novel Application of Musculoskeletal Ultrasound Imaging

Published on: September 17, 2013

Area of Science:

Medical Imaging
Biomedical Engineering
Fluid Dynamics

Background:

High-frame-rate (HFR) ultrasound with contrast agents enables blood flow studies via echo-particle image velocimetry (echoPIV).
Pulse inversion is used to enhance ultrasound contrast agent (UCA) signals but can suffer from signal loss in fast flows due to UCA displacement.
This signal loss hinders accurate blood flow tracking with echoPIV.

Purpose of the Study:

To develop and evaluate a phase-compensation algorithm for pulse-inversion Doppler (PID) in HFR contrast-enhanced ultrasound.
To mitigate motion-induced signal loss in ultrasound images caused by fast-moving UCAs.
To improve the accuracy of blood flow velocity measurements using echoPIV.

Main Methods:

A novel phase-compensation algorithm was developed for PID imaging.
The algorithm was applied to reduce signal loss in HFR contrast-enhanced ultrasound data.
The effectiveness was validated using both in vitro and patient data.

Main Results:

The PID-based phase-compensation algorithm significantly increased image intensity in high-velocity regions by up to 6 dB.
Post-compensation, echoPIV measurements showed a 27% increase in vector velocities in patient data.
The algorithm effectively reduced signal loss associated with fast UCA movement.

Conclusions:

PID-based phase compensation is a feasible method for reducing signal loss in fast-flow HFR contrast-enhanced ultrasound.
This technique has the potential to enhance the accuracy of blood flow estimation using echoPIV.
The findings support the use of this algorithm for improved vascular imaging and analysis.