Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Machine learning differentiates right posterior from right anterior accessory pathways using 6-lead electrocardiograms in dogs with ventricular preexcitation.

Journal of the American Veterinary Medical Association·2025
Same author

Effect of additional dimensions and views in the echocardiographic determination of 3-dimensional left ventricular volume in myxomatous mitral valve disease in dogs.

Journal of veterinary internal medicine·2025
Same author

Design, Testing, and Validation of a Soft Robotic Sensor Array Integrated with Flexible Electronics for Mapping Cardiac Arrhythmias.

Micromachines·2024
Same author

Preoperative parameters (signalment, digital radiography, urinalysis, urine microbiological culture) and novel algorithm improve prediction of canine urocystolith composition.

Journal of the American Veterinary Medical Association·2024
Same author

Creating Stretchable Electronics from Dual Layer Flex-PCB for Soft Robotic Cardiac Mapping Catheters.

Micromachines·2023
Same author

TGFβ-2 haploinsufficiency causes early death in mice with Marfan syndrome.

Matrix biology : journal of the International Society for Matrix Biology·2023

Related Experiment Video

Updated: Sep 10, 2025

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography
07:11

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography

Published on: October 28, 2020

3.0K

Comparing Two-Dimensional Ellipsoid Model Variants in Estimating Three-Dimensional Echocardiographic Right

Robert Ciardullo1, Brittany E Tagg1, Elisabeth Nesta1

  • 1Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA.

Journal of Veterinary Internal Medicine
|August 27, 2025
PubMed
Summary
This summary is machine-generated.

Two-dimensional ellipsoid models using specific echocardiographic views provide practical right ventricular (RV) volume estimates. These methods, particularly AEMA4C-RPS and LEMA4C-RPS, show good agreement and reproducibility compared to 3D imaging.

Keywords:
4D auto RVQhealthylinearpulmonary hypertensionpulmonary valve stenosistricuspid valve dysplasia

More Related Videos

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

4.1K
Echocardiographic Assessment of the Right Heart in Mice
09:29

Echocardiographic Assessment of the Right Heart in Mice

Published on: November 27, 2013

23.1K

Related Experiment Videos

Last Updated: Sep 10, 2025

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography
07:11

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography

Published on: October 28, 2020

3.0K
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

4.1K
Echocardiographic Assessment of the Right Heart in Mice
09:29

Echocardiographic Assessment of the Right Heart in Mice

Published on: November 27, 2013

23.1K

Area of Science:

  • Veterinary Cardiology
  • Echocardiography
  • Cardiac Imaging

Background:

  • Right ventricular (RV) volume assessment typically requires complex 3D imaging.
  • Two-dimensional ellipsoid models offer a simpler alternative using various formulas and echocardiographic views.

Purpose of the Study:

  • To determine the best-performing 2D ellipsoid model variant for RV volume estimation.
  • To evaluate the within-day reproducibility of these models against real-time 3D echocardiography (RT3D).

Main Methods:

  • Eighty-seven echocardiograms from 67 dogs (23 normal, 44 with heart disease) were analyzed.
  • Eight 2D ellipsoid model variants were compared to RT3D for calculating body weight-indexed RV volumes (iEDV, iESV).
  • Agreement was assessed using concordance correlation coefficients (rc) and Bland-Altman analysis; reproducibility by intraclass correlation coefficients (ICC).

Main Results:

  • Area- and linear-based ellipsoid models using left apical four-chamber and right parasternal short-axis views (AEMA4C-RPS, LEMA4C-RPS) showed moderate agreement with RT3D (rc > 0.90).
  • AEMA4C-RPS and LEMA4C-RPS demonstrated minimal systematic bias for iEDV and iESV, respectively, with good reproducibility (ICC > 0.75).
  • Biases increased with larger RV volumes, and iESV reproducibility was superior for LEMA4C-RPS compared to other methods.

Conclusions:

  • The AEMA4C-RPS and LEMA4C-RPS are practical and reproducible 2D methods for estimating RV volumes in dogs.
  • These models offer a viable alternative to 3D imaging for routine clinical assessment.