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

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
Cardiac Output II: Effect of Stroke Volume on Cardiac Output01:22

Cardiac Output II: Effect of Stroke Volume on Cardiac Output

Cardiac output (CO), the amount of blood the heart pumps per minute, is a parameter in cardiovascular physiology determined by stroke volume and heart rate. Stroke volume, the amount of blood pushed from one of the ventricles per heartbeat, is influenced by preload, afterload, and contractility.
Preload
Preload refers to the initial elongation of the cardiac myocytes before contraction and is related to the volume of blood filling the heart at the end of diastole, or end-diastolic volume. The...
Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
Cardiac Output and Stroke Volume01:11

Cardiac Output and Stroke Volume

Cardiac output (CO) is an integral aspect of human physiology, reflecting the heart's efficiency and responsiveness to the body's needs. It represents the volume of blood that the left or right ventricle ejects into the aorta or pulmonary trunk each minute. The CO is calculated by multiplying the heart rate (HR)—the number of heartbeats per minute—by the stroke volume (SV)—the amount of blood pumped out with each heartbeat.
In an average resting adult male, the typical cardiac output averages...
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
Regulation of Stroke Volume01:27

Regulation of Stroke Volume

The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...

You might also read

Related Articles

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

Sort by
Same author

Editorial Preamble to Abstract Pages at JASE for Canadian Society of Echocardiography Conference 2026.

Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography·2026
Same author

Sex differences in echocardiographic left ventricular remodeling and clinical outcomes following transcatheter aortic valve implantation.

Journal of echocardiography·2026
Same author

Impact of a Fully Integrated "1-Click" Automated Left Ventricular Ejection Fraction Tool on Echocardiography Reporting.

CJC open·2026
Same author

EchoAgent: guideline-centric reasoning agent for echocardiography measurement and interpretation.

International journal of computer assisted radiology and surgery·2026
Same author

TREAT-Netv2: regional wall motion-informed video-tabular fusion for ACS treatment prediction.

International journal of computer assisted radiology and surgery·2026
Same author

Optimizing point-of-care ultrasound video acquisition for probabilistic multi-task heart failure detection.

International journal of computer assisted radiology and surgery·2026

Related Experiment Video

Updated: May 23, 2026

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

Left atrial volume: clinical value revisited.

Michael Y C Tsang1, Marion E Barnes, Teresa S M Tsang

  • 1Cardiology, University of British Columbia, 2775 Laurel Street, Vancouver, BC, Canada. yctsang@interchange.ubc.ca

Current Cardiology Reports
|April 3, 2012
PubMed
Summary

Left atrial (LA) volume and function are key indicators of heart disease risk. Precise imaging can improve risk assessment, and LA remodeling may be reversible, though more data are needed.

More Related Videos

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
08:17

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery

Published on: February 20, 2017

Related Experiment Videos

Last Updated: May 23, 2026

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
08:17

Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery

Published on: February 20, 2017

Area of Science:

  • Cardiology
  • Medical Imaging
  • Cardiac Physiology

Background:

  • Left atrial (LA) volume and function are established indicators of cardiovascular risk and poor cardiac outcomes.
  • Advances in imaging technologies offer more precise methods for assessing LA parameters.

Purpose of the Study:

  • To evaluate the role of advanced imaging in precisely determining left atrial volume and function.
  • To explore the potential of serial LA assessments for risk stratification and monitoring treatment impact.
  • To investigate the treatability and reversibility of left atrial remodeling.

Main Methods:

  • Utilizing advanced imaging techniques such as tissue Doppler, strain, and strain rate imaging.
  • Serial assessment of left atrial volume and function.
  • Correlation of LA parameters with cardiovascular risk and clinical outcomes.

Main Results:

  • Advanced imaging allows for more precise quantification of LA volume and function.
  • LA remodeling is increasingly recognized as potentially treatable and reversible.
  • Serial LA assessments may offer a quantifiable method for evaluating risk severity and treatment efficacy.

Conclusions:

  • Precise LA assessment via advanced imaging can enhance cardiovascular risk stratification beyond traditional methods.
  • Reversible LA remodeling holds promise for improving cardiac outcomes, but further clinical data are required.
  • Serial LA evaluations represent a potential tool for monitoring disease progression and therapeutic response.