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Related Concept Videos

Ultrasonography01:17

Ultrasonography

8.3K
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...
8.3K
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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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...
681
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
445
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

422
The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
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Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

903
The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
903
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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Related Experiment Video

Updated: Mar 16, 2026

Imaging and Quantification of the Hepatic Vasculature of Mice Using Ultrafast Doppler Ultrasound
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[Ultrasonography in Large-Vessel Arteritis].

Kyoko Miyamoto, Michiaki Miyamoto, Nobuyuki Taniguchi

    Rinsho Byori. the Japanese Journal of Clinical Pathology
    |August 17, 2016
    PubMed
    Summary

    Vasculitis involves inflammation of blood vessel walls, leading to diverse symptoms. Advanced ultrasonography aids in diagnosing and managing large-vessel vasculitis, including Takayasu arteritis and giant cell arteritis.

    Area of Science:

    • Rheumatology and Immunology
    • Vascular Medicine
    • Diagnostic Imaging

    Background:

    • Vasculitides are inflammatory diseases affecting blood vessel walls throughout the body.
    • These conditions can cause ischemic symptoms due to vessel stenosis and occlusion.
    • The Chapel Hill Consensus Conference (CHCC) 2012 classifies vasculitides into seven categories, including large-vessel vasculitis.

    Purpose of the Study:

    • To highlight the role of ultrasonography in the diagnosis and management of large-vessel vasculitis.
    • To emphasize the increasing importance of ultrasonography in clinical practice for these conditions.

    Main Methods:

    • Utilizing advancements in ultrasonography for high-resolution imaging of superficial vessels (0.1-mm units).
    • Noninvasive assessment of blood flow using Doppler ultrasonography.

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  • Application of ultrasonography in the diagnosis and treatment monitoring of large-vessel vasculitis.

    • Main Results:

    • Ultrasonography allows for detailed visualization of vascular structures and blood flow.
    • The technique is effective for diagnosing and estimating treatment efficacy in large-vessel vasculitis.
    • The diagnostic capabilities of ultrasonography in this field are rapidly improving.

    Conclusions:

    • Ultrasonography is an increasingly vital tool for managing large-vessel vasculitis.
    • Its noninvasive nature and detailed imaging capabilities support clinical decision-making.
    • Continued advancements in ultrasonography promise enhanced diagnostic accuracy and patient care.