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Related Concept Videos

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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Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
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Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
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Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
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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...
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Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
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Related Experiment Video

Updated: May 7, 2026

Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation
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Seismocardiography: past, present and future.

John M Zanetti, Kouhyar Tavakolian

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |October 11, 2013
    PubMed
    Summary

    Seismocardiography (SCG) is a noninvasive cardiology technique. This paper reviews SCG

    Area of Science:

    • Cardiology
    • Biomedical Engineering
    • Signal Processing

    Background:

    • Seismocardiography (SCG) is a noninvasive method for monitoring cardiac activity.
    • It utilizes chest vibrations to infer mechanical heart function.
    • Historical development traces back to early investigations of heart sounds.

    Purpose of the Study:

    • To provide a comprehensive overview of Seismocardiography (SCG).
    • To assess the current technological status and applications of SCG.
    • To identify and discuss key challenges hindering SCG's widespread adoption.

    Main Methods:

    • Literature review of historical and current SCG research.
    • Analysis of existing SCG technologies and measurement techniques.
    • Evaluation of challenges in standardization and data interpretation.

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    Main Results:

    • SCG offers a promising noninvasive approach to cardiology.
    • Current SCG technology shows potential for various diagnostic applications.
    • Significant challenges remain in defining standards and annotations for SCG.

    Conclusions:

    • SCG is an evolving noninvasive cardiology tool with significant potential.
    • Further research is needed to establish clear definitions and standards for SCG.
    • Addressing these challenges will facilitate the clinical integration of SCG.