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Related Concept Videos

Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

831
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,...
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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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Related Experiment Video

Updated: Mar 6, 2026

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

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Three-dimensional echocardiographic measurements using automated quantification software for big data processing.

Cheng Feng1, Lixin Chen1, Jian Li1

  • 1Department of Ultrasound, Shenzhen People's Hospital, The Second Affiliated Hospital of Medical College of Jinan University, Shenzhen, China.

Journal of X-Ray Science and Technology
|March 9, 2017
PubMed
Summary
This summary is machine-generated.

The automated three-dimensional echocardiography HeartModel (3DE-HM) software accurately quantifies cardiac volumes and ejection fraction, offering a faster alternative to manual methods for patients with left atrial and ventricular remodeling.

Keywords:
Three-dimensional echocardiographyautomated quantification softwareleft ventricular remodelingvolume

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Area of Science:

  • Cardiology
  • Medical Imaging
  • Computational Biology

Background:

  • Accurate quantification of cardiac volumes and function is crucial for diagnosing and managing cardiovascular diseases.
  • Traditional manual analysis of 3D transthoracic echocardiography (3DE) is time-consuming and subject to inter-observer variability.
  • Automated software solutions aim to improve efficiency and consistency in echocardiographic analysis.

Purpose of the Study:

  • To compare the accuracy and efficiency of a fully automated 3D transthoracic echocardiography software, 3DE-HM (HeartModel), against traditional manual quantification (3DE-manual).
  • To assess the software's ability to quantify left atrial and left ventricular volumes, and left ventricular ejection fraction (LVEF).
  • To evaluate the clinical applicability of 3DE-HM in patients with cardiac remodeling.

Main Methods:

  • 3D full volume echocardiographic images from 156 subjects (70 controls, 17 post-MI, 69 hypertension) were analyzed.
  • Left ventricular end-diastolic volume (LVEDV), left ventricular end-systolic volume (LVESV), left atrial end-systolic volume (LAESV), and LVEF were quantified using both 3DE-HM and 3DE-manual methods.
  • Correlation, consistency, and reproducibility analyses were performed. Post-processing times were compared.

Main Results:

  • High correlations (r=0.72 to 0.97) were observed between 3DE-HM and 3DE-manual measurements for LVEDV, LVESV, LAESV, and LVEF.
  • The strongest correlation was found in patients post-myocardial infarction (MI) with left ventricular remodeling.
  • 3DE-HM significantly reduced post-processing time compared to the manual method, with excellent reproducibility.

Conclusions:

  • 3DE-HM is a rapid, feasible, and accurate method for quantifying left ventricular volumes and LVEF.
  • The software demonstrates clinical applicability for evaluating patients with left atrial and left ventricular remodeling.
  • Automated analysis offers a significant time-saving advantage over manual quantification.