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Related Concept Videos

Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

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Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
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Imaging Studies for Cardiovascular System III: X-Ray

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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
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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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Related Experiment Video

Updated: May 23, 2025

Echocardiographic Approaches and Protocols for Comprehensive Phenotypic Characterization of Valvular Heart Disease in Mice
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Multimodality Imaging of Arrhythmic Risk in Mitral Valve Prolapse.

Luca Cristin1, Lionel Tastet1, Dipan J Shah2

  • 1Department of Medicine (Cardiovascular Division), University of California, San Francisco (L.C., L.T., F.N.D.).

Circulation. Cardiovascular Imaging
|April 10, 2025
PubMed
Summary
This summary is machine-generated.

Mitral valve prolapse (MVP) can cause dangerous arrhythmias. Multimodality imaging, including echocardiography and cardiac MRI, helps identify high-risk patients by detecting features like fibrosis and inflammation. Complex ventricular ectopy remains the strongest predictor of mortality.

Keywords:
algorithmsarrhythmias, cardiacartificial intelligencedeath, sudden, cardiacechocardiographyfibrosismitral valve prolapse

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High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
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Area of Science:

  • Cardiology
  • Medical Imaging
  • Cardiac Electrophysiology

Background:

  • Mitral valve prolapse (MVP) affects 2-3% of the population, often benign but can lead to life-threatening arrhythmias.
  • Identifying patients at risk for sudden cardiac death is crucial for timely intervention.

Purpose of the Study:

  • To review the role of multimodality imaging in risk stratification for arrhythmic mitral valve prolapse.
  • To highlight key imaging features associated with increased arrhythmic risk.

Main Methods:

  • Echocardiography for leaflet morphology, mitral annular disjunction, and regurgitation.
  • Speckle tracking for valvular-myocardial mechanics.
  • Cardiac MRI (CMR) for myocardial fibrosis (late gadolinium enhancement, T1 mapping).
  • Hybrid PET/CMR for assessing inflammation and diffuse fibrosis.

Main Results:

  • High-risk features include bileaflet involvement, mitral annular disjunction, double-peak strain, mechanical dispersion, and myocardial fibrosis.
  • CMR and PET/CMR are valuable for detecting fibrosis and inflammation, especially in patients lacking classic risk factors.
  • An integrated algorithm combining clinical, electrophysiological, and imaging data is proposed for risk stratification.

Conclusions:

  • Multimodality imaging is essential for comprehensive risk assessment in arrhythmic MVP.
  • Imaging findings should be interpreted alongside complex ventricular ectopy, the most robust mortality predictor.
  • Further prospective studies are needed to validate imaging parameters and link them directly to mortality.