Ultrasound Imaging
Ultrasound Imaging - Related Videos
10:53
A Novel Application of Musculoskeletal Ultrasound Imaging
0 Views •
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.
09:00
Murine Echocardiography and Ultrasound Imaging
0 Views •
Cited by 61 •
2010
This video demonstrates use of a rail-mounted high-frequency ultrasound probe to perform echocardiography on an anesthetized mouse. The methods describe both conventional two-dimensional and M-mode measurements of cardiac function in addition to newer, more powerful tools such as color Doppler, strain analysis, as well as general and targeted contrast imaging.
14:20
High-frequency Ultrasound Imaging of the Abdominal Aorta
0 Views •
2023
Source: Amelia R. Adelsperger, Evan H. Phillips, and Craig J. Goergen, Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana High-frequency ultrasound systems are used to acquire high resolution images. Here, the use of a state-of-the-art system will be demonstrated to image the morphology and hemodynamics of small pulsatile arteries and veins found in mice and rats. Ultrasound is a relatively inexpensive, portable, and versatile method for the noninvasive...
10:02
High-frequency Ultrasound Imaging of Mouse Cervical Lymph Nodes
0 Views •
Cited by 6 •
2015
This protocol describes the application of high-frequency ultrasound (HFUS) for imaging mouse cervical lymph nodes. This technique optimizes visualization and quantification of cervical lymph node morphology, volume and blood flow. Image-guided biopsy of cervical lymph nodes and processing of lymph tissue for histological evaluation is also demonstrated.
07:12
Diagnostic Ultrasound Imaging of Mouse Diaphragm Function
0 Views •
Cited by 7 •
2014
Diagnostic ultrasound imaging has proven to be effective in diagnosing various respiratory diseases in human and animal subjects. We demonstrate a comprehensive ultrasound protocol utilized by Dr. Zuo's lab to analyze diaphragm kinetics specifically in mouse models. This is also a non-invasive research technique which can provide quantitative information on mouse respiratory muscle function.
FAQs
Acoustic impedance differences determine how strongly tissue boundaries reflect each transmitted pulse and when echoes return to the transducer. The system uses echo intensity to represent contrast and echo timing to associate signals with locations. Consequently, variations in tissue composition or interfaces can alter grayscale appearance, making impedance a central link between physical tissue properties and displayed structure.
Ultrasound imaging can produce complementary structural and motion information. Grayscale display emphasizes returning echo patterns to show anatomy, whereas Doppler imaging represents motion and supports blood-flow measurement. This distinction lets investigators choose an output suited to the question: structural assessment for anatomy or tissue characterization, and motion-sensitive assessment when circulation or dynamic behavior matters.
Unlike modalities that use ionizing radiation, ultrasound imaging supports real-time assessment without that exposure. Its dynamic capability is important when anatomy or flow must be monitored as it changes rather than captured in a single static view. This combination helps explain its value in clinical monitoring and in bioengineering efforts focused on safer diagnostic technologies.
An examination begins when the transducer transmits acoustic pulses into the body and then detects returning echoes. Computational systems organize the echoes according to their timing and intensity, producing grayscale or Doppler displays. The resulting workflow links data acquisition at the transducer with image formation and allows the operator to assess structure, motion, or blood flow.
Researchers and clinicians apply ultrasound imaging to tissue characterization, blood-flow measurement, and image-guided procedures. In each case, the useful output differs: echo-based appearance can inform tissue assessment, Doppler images can support flow evaluation, and real-time visualization can guide an intervention. These applications extend the method beyond simple structural viewing.
In bioengineering, ultrasound imaging helps evaluate engineered tissues and medical devices during development or monitoring. Its portability and relatively low cost can support practical assessment in different settings. Because the technique captures both structure and motion, it also contributes to developing diagnostic technologies that emphasize safer evaluation and dynamic observation.