Real-time Ultrasound Imaging

Real-time ultrasound imaging is a noninvasive method that uses high-frequency sound waves to produce continuously updated images of internal anatomy and motion. A transducer sends sound pulses into tissue, receives returning echoes from boundaries with different acoustic properties, and converts these signals into images through electronic beamforming and rapid frame reconstruction. In neuroscience, ultrasound can visualize brain structures, blood vessels, and tissue movement, while specialized approaches can monitor changes in cerebral blood flow. Its portability, low cost, and lack of ionizing radiation support bedside assessment, guided procedures, and research on brain function and neurovascular dynamics.

Real-time Ultrasound Imaging - Related Videos

Research

JoVE Journal - Bioengineering

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

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Cited by 13 •

2015

This article describes real-time monitoring of HIFU ablation in canine liver with high frame rate ultrasound imaging using diverging and plane wave imaging. Harmonic Motion Imaging for Focused Ultrasound is used to image the decrease of acoustic radiation force induced displacement in the ablated region.

Extended Time-lapse Intravital Imaging of Real-time Multicellular Dynamics in the Tumor Microenvironment

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Cited by 25 •

2016

This protocol describes the use of multiphoton microscopy to perform extended time-lapse imaging of multicellular interactions in real time, in vivo at single cell resolution.

Research

JoVE Journal - Medicine
Free Sample

Evaluation of Nanoparticle Uptake in Tumors in Real Time Using Intravital Imaging

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Cited by 51 •

2011

We present a novel approach to quantify nanoparticle localization in the vasculature of human xenografted tumors using dynamic, real-time intravital imaging in an avian embryo model.

Real-Time Imaging of Bacterial Infection in a Mouse Model Using Bioluminescence

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2026

Source: Valentine, M. E., et al., Generation of In-Frame Gene Deletion Mutants in Pseudomonas aeruginosa and Testing for Virulence Attenuation in a Simple Mouse Model of Infection. J. Vis. Exp. (2020)This video demonstrates the use of a bioluminescence-based imaging approach to monitor bacterial infection in a live mouse model. Sequential bioluminescent and X-ray imaging enables real-time visualization and anatomical localization of infection spread throughout the host.

Research

JoVE Journal - Medicine
Free Sample

A Novel Application of Musculoskeletal Ultrasound Imaging

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Cited by 14 •

2013

We describe a new ultrasound-based vector tissue Doppler imaging technique to measure muscle contraction velocity, strain and strain rate with sub-millisecond temporal resolution during dynamic activities. This approach provides complementary measurements of dynamic muscle function and could lead to a better understanding of mechanisms underlying musculoskeletal disorders.

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