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Related Concept Videos

Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

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.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...
Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

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 diagnosing...

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[Myocardial apoptosis. A new mechanism of cellular death].

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Related Experiment Video

Updated: Jul 10, 2026

Quantification of Global Diastolic Function by Kinematic Modeling-based Analysis of Transmitral Flow via the Parametrized Diastolic Filling Formalism
11:04

Quantification of Global Diastolic Function by Kinematic Modeling-based Analysis of Transmitral Flow via the Parametrized Diastolic Filling Formalism

Published on: September 1, 2014

Assessment of quantitative methods for 2-dimensional echocardiography.

H L Wyatt, R V Haendchen, S Meerbaum

    The American Journal of Cardiology
    |August 1, 1983
    PubMed
    Summary

    The leading edge method for 2-dimensional echocardiography (2-DE) offers the most accurate myocardial thickness and left ventricular (LV) volume measurements in vitro and in vivo.

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    Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
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    Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

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    Related Experiment Videos

    Last Updated: Jul 10, 2026

    Quantification of Global Diastolic Function by Kinematic Modeling-based Analysis of Transmitral Flow via the Parametrized Diastolic Filling Formalism
    11:04

    Quantification of Global Diastolic Function by Kinematic Modeling-based Analysis of Transmitral Flow via the Parametrized Diastolic Filling Formalism

    Published on: September 1, 2014

    Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation
    09:05

    Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation

    Published on: October 20, 2016

    Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
    06:34

    Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

    Published on: October 28, 2020

    Area of Science:

    • Cardiology
    • Medical Imaging
    • Biomedical Engineering

    Background:

    • Accurate measurement of myocardial thickness and left ventricular (LV) volumes is crucial for diagnosing cardiac conditions.
    • 2-dimensional echocardiography (2-DE) is a widely used non-invasive imaging technique, but its accuracy for quantitative analysis can vary.
    • Different measurement methods within 2-DE may yield different levels of precision.

    Purpose of the Study:

    • To evaluate the accuracy of various 2-dimensional echocardiographic (2-DE) measurement methods.
    • To compare in vitro and in vivo performance of different 2-DE techniques for myocardial and LV volume assessment.
    • To identify the most accurate 2-DE method for clinical application.

    Main Methods:

    • In vitro testing of myocardial slice thickness using leading-trailing, trailing-leading, and leading-leading methods with precise calibrations.
    • In vitro assessment of cavity areas using thin myocardial slices applied to cylinders.
    • In vivo comparison of 2-DE measurements with cineangiography for left ventricular (LV) volumes in anesthetized dogs.

    Main Results:

    • The leading-leading method demonstrated satisfactory accuracy for myocardial thickness (3-6% error), outperforming other methods.
    • The leading edge method provided the most accurate cross-sectional cavity area measurements (1.3-2.5% error).
    • In vivo, the leading edge method reduced the underestimation of left ventricular (LV) volumes compared to cineangiography, unlike the inner edge method.

    Conclusions:

    • The leading edge method is the most accurate 2-DE technique for both linear/cross-sectional myocardial measurements and in vivo LV volume reconstruction.
    • This finding has significant implications for improving the diagnostic accuracy of echocardiography.
    • The leading edge method enhances the reliability of quantitative echocardiographic analysis.