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Related Concept Videos

Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

42
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...
42
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

77
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...
77
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

77
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...
77
Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

76
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...
76
Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

58
IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
58
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

37
Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
37

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Related Experiment Video

Updated: Oct 6, 2025

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography
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Subclinical right ventricular dysfunction in patients with mitral stenosis.

Karima Taamallah1, T Y Jabloun2, M Guebsi2

  • 1Department of Cardiology, Military Hospital of Tunis, Bab Alioua, Montfleury, 1008, Tunis, Tunisia. cardiokarima@yahoo.fr.

Journal of Echocardiography
|January 18, 2022
PubMed
Summary

Subclinical right ventricular dysfunction is present in patients with mitral stenosis (MS). Echocardiography revealed decreased RV function parameters, indicating early signs of heart disease in asymptomatic MS patients.

Keywords:
2D strainDysfunctionEchocardiographyMitral stenosisRight ventricleSubclinical

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Area of Science:

  • Cardiology
  • Echocardiography
  • Cardiac Physiology

Background:

  • Right ventricular (RV) dysfunction is a significant predictor of adverse outcomes in patients with mitral stenosis (MS).
  • Early detection of subclinical RV dysfunction is crucial for managing MS patients.

Purpose of the Study:

  • To investigate the presence of subclinical right ventricular dysfunction in asymptomatic patients with mitral stenosis.
  • To compare RV function parameters between MS patients and healthy controls using echocardiography.

Main Methods:

  • A prospective study involving 104 asymptomatic MS patients and 52 healthy controls.
  • Standard and speckle tracking echocardiography were utilized to assess various RV function parameters.
  • Measurements included RV fractional area change (RVFAC), tricuspid annular plane systolic excursion (TAPSE), and RV myocardial performance index (MPI).

Main Results:

  • Asymptomatic MS patients exhibited decreased RVFAC, TAPSE, MPI, and peak systolic velocity (S') compared to controls, despite normal ranges.
  • Global RV longitudinal strain (LSGRV) and free wall longitudinal strain (LSFRV) were significantly lower in MS patients.
  • Over 50% of MS patients showed LSFRV below -20%, indicating significant longitudinal strain impairment.

Conclusions:

  • The study confirms the presence of subclinical systolic dysfunction of the right ventricle in patients with mitral stenosis.
  • These findings highlight the utility of echocardiographic parameters, particularly longitudinal strain, in identifying early RV impairment in MS.