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Related Concept Videos

Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

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...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send blood...
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...
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...

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Related Experiment Video

Updated: May 15, 2026

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

Describing right ventricular function.

Anton Vonk-Noordegraaf1, Nico Westerhof

  • 1Dept of Pulmonology, Institute for Cardiovascular Research VU University Medical Center, VU University, Amsterdam, The Netherlands. a.vonk@vumc.nl

The European Respiratory Journal
|January 15, 2013
PubMed
Summary

Right ventricular dysfunction significantly impacts patient outcomes in heart and lung diseases. Quantifying right heart function independently of loading conditions is crucial for assessing disease progression and treatment effectiveness.

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Echocardiographic Assessment of Cardiac Anatomy and Function in Adult Rats
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Echocardiographic Assessment of Cardiac Anatomy and Function in Adult Rats

Published on: December 13, 2019

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Last Updated: May 15, 2026

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

Echocardiographic Assessment of Cardiac Anatomy and Function in Adult Rats
08:09

Echocardiographic Assessment of Cardiac Anatomy and Function in Adult Rats

Published on: December 13, 2019

Area of Science:

  • Cardiology
  • Pulmonary Medicine
  • Medical Imaging

Background:

  • Right ventricular dysfunction is a key prognostic factor in pulmonary hypertension, acute respiratory distress syndrome, and left heart failure.
  • Current assessments of right ventricular function are often influenced by loading conditions, limiting their utility.
  • There is a need for functional parameters that assess right heart function independently.

Purpose of the Study:

  • To review methods for quantitatively assessing right ventricular function independent of loading conditions.
  • To highlight the importance of these parameters for evaluating disease progression and treatment efficacy.
  • To discuss the estimation of wall stress and diastolic properties of the right ventricle.

Main Methods:

  • Review of established quantitative methods for right ventricular function assessment.
  • Detailed examination of the pressure-volume relationship.
  • Explanation of the pump function graph.

Main Results:

  • The pressure-volume relationship and pump function graph offer quantitative insights into right ventricular function.
  • These methods allow for the assessment of right ventricular performance independent of preload and afterload.
  • Techniques for estimating wall stress and diastolic properties are also presented.

Conclusions:

  • Functional parameters of the right ventricle, independent of loading conditions, are essential for accurate disease assessment.
  • The pressure-volume relationship and pump function graph are valuable tools for this purpose.
  • Further research into right ventricular diastolic properties and wall stress is warranted.