Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

The diaphragmatic echo complex: an in vitro study.

A M Fried, D O Cosgrove, D K Nassiri

    Investigative Radiology
    |January 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Related Concept Videos

    You might also read

    Related Articles

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

    Sort by
    Same author

    The World Association of Radiopharmaceutical and Molecular Therapy position statement on the initial radioiodine therapy for differentiated thyroid carcinoma.

    World journal of nuclear medicine·2019
    Same author

    Microflow imaging: New Doppler technology to detect low-grade inflammation in patients with arthritis.

    European radiology·2017
    Same author

    Can contrast-enhanced ultrasonography characterize focal liver lesions and differentiate between benign and malignant, thus providing a one-stop imaging service for patients?().

    Journal of ultrasound·2013
    Same author

    Guidelines and good clinical practice recommendations for contrast enhanced ultrasound (CEUS) in the liver--update 2012: a WFUMB-EFSUMB initiative in cooperation with representatives of AFSUMB, AIUM, ASUM, FLAUS and ICUS.

    Ultraschall in der Medizin (Stuttgart, Germany : 1980)·2012
    Same author

    Quantitative contrast-enhanced ultrasound imaging: a review of sources of variability.

    Interface focus·2012
    Same author

    A comparison of 31P magnetic resonance spectroscopy and microbubble-enhanced ultrasound for characterizing hepatitis c-related liver disease.

    Journal of viral hepatitis·2011
    Same journal

    3D Freehand Ultrasound Imaging of Optic Nerve Sheath.

    Investigative radiology·2026
    Same journal

    Iodinated Contrast Media Hypersensitivity in 115,966 Patients: Risk Factors, Severity Profiles, and the Impact of Iodine Concentration on Reaction Risk.

    Investigative radiology·2026
    Same journal

    Improvement of Lung Nodule Volumetric Accuracy with Photon-counting Computed Tomography Over Energy-integrating Computed Tomography in Low-dose Screening: A Phantom Study.

    Investigative radiology·2026
    Same journal

    Photon-counting CT in Anterior Cervical Discectomy and Fusion: Improved Metal Artifact Reduction and Impact on Bone Fusion Assessment.

    Investigative radiology·2026
    Same journal

    Quantitative Synthetic MRI in Body Imaging: Technical Basis, Current Applications, and Future Directions.

    Investigative radiology·2026
    Same journal

    Nonclinical Safety Assessment of Digadoglucitol, a Novel Magnetic Resonance Imaging Contrast Agent for the Central Nervous System.

    Investigative radiology·2026
    See all related articles

    The diaphragm appears bright on ultrasound scans due to its membranes, not the muscle itself. These membranes, along with the diaphragm-lung interface, explain its echogenic appearance in clinical imaging.

    Area of Science:

    • Medical Imaging
    • Anatomy
    • Ultrasound Physics

    Background:

    • The diaphragm's bright echogenicity on ultrasound contrasts with the typical echo-poor appearance of muscle.
    • Understanding this echogenicity is crucial for accurate interpretation of abdominal and thoracic ultrasound scans.

    Purpose of the Study:

    • To investigate the source of the diaphragm's bright echogenic appearance on routine ultrasound scans.
    • To differentiate the contributions of diaphragmatic muscle and its associated membranes to the observed echogenicity.

    Main Methods:

    • Autopsy-obtained human diaphragm specimens were examined using an articulated arm ultrasound system in a water bath.
    • Scans were performed at varying incident beam angles to determine echo attenuation and visualization points.
    • Experiments included intact diaphragm, isolated peritoneal membrane, and isolated diaphragmatic muscle (membranes stripped).

    Related Experiment Videos

    Main Results:

    • Bright specular echoes originated almost exclusively from the parietal pleura and peritoneal membranes.
    • The diaphragmatic muscle produced only low-level scattered echoes, similar to other muscles.
    • Persistent visualization at steep angles was attributed to these scattered echoes from the muscle.

    Conclusions:

    • The echogenic appearance of the diaphragm is primarily due to its investing membranes (pleura and peritoneum).
    • The diaphragm-lung interface significantly contributes to the overall echogenicity observed in vivo.
    • The diaphragmatic muscle itself is not the primary source of bright echoes seen on ultrasound.