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Related Concept Videos

Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
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Ultrasound I: Abdominal Ultrasonography01:20

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Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
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Assessment of the Abdomen II: Percussion01:18

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Percussion is a fundamental technique used to assess the liver, spleen, and abdominal organs by tapping the abdomen and interpreting the resulting sounds. This method helps identify fluid, distention, and masses through variations in sound, such as the high-pitched tympany of air-filled areas and the dullness of solid masses. Understanding how to percuss these organs provides valuable information for healthcare professionals in diagnosing conditions early.
Percussion
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Imaging Studies for Cardiovascular System I:Echocardiography01:17

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Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
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Ultrasonography01:17

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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.
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Related Experiment Video

Updated: May 30, 2025

Application of Ultrasound and Shear Wave Elastography Imaging in a Rat Model of NAFLD/NASH
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Shear wave elastography primer for the abdominal radiologist.

Matthew Urban1, Luiz Vasconcelos2, Kevin Brom2

  • 1Mayo Clinic, Rochester, USA. urban.matthew@mayo.edu.

Abdominal Radiology (New York)
|January 30, 2025
PubMed
Summary
This summary is machine-generated.

Shear wave elastography (SWE) uses ultrasound to measure tissue stiffness, aiding disease diagnosis. Understanding its physics and methods is crucial for accurate interpretation and effective patient management.

Keywords:
DispersionElasticElastographyShear waveUltrasoundViscoelastic

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Area of Science:

  • Medical imaging
  • Biophysics

Background:

  • Diagnostic ultrasound can be enhanced by assessing tissue mechanical properties.
  • Shear wave elastography (SWE) offers a method to quantify tissue elasticity.

Purpose of the Study:

  • To review the physics and methods of shear wave elastography.
  • To aid in the interpretation of SWE results for disease processes.

Main Methods:

  • Review of ultrasound principles for shear wave generation and motion measurement.
  • Description of shear wave propagation in elastic and viscoelastic tissues.
  • Addressing shear wave propagation in homogeneous and inhomogeneous scenarios.

Main Results:

  • Clinical implementation of SWE by multiple vendors with varying capabilities.
  • Utilization of quality metrics for validating SWE measurements based on signal and velocity estimates.

Conclusions:

  • Understanding SWE measurement techniques is vital for its diagnostic utility in abdominal imaging.
  • Ongoing advancements aim to improve SWE robustness in clinical settings.
  • SWE provides valuable tissue mechanical property data for comprehensive patient assessment and treatment planning.