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Related Concept Videos

Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

118
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...
118
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

125
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...
125
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

64
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...
64
Mitral Regurgitation IV: Nursing Management01:28

Mitral Regurgitation IV: Nursing Management

160
Mitral regurgitation (MR) is a condition where the mitral valve does not close properly, leading to the backward flow of blood from the left ventricle into the left atrium during systole. This condition can arise from various causes, including rheumatic fever, infective endocarditis, or degenerative valve disease. Effective nursing management is crucial to optimizing patient outcomes and involves comprehensive assessment and targeted interventions.Comprehensive Patient AssessmentA detailed...
160
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

81
Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
81
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

152
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...
152

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Related Experiment Video

Updated: Nov 6, 2025

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
11:50

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

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Insights into functional mitral regurgitation using transillumination rendering.

Roberto H Ramirez1, Richard Ro2, Stamatios Lerakis2

  • 1Division of Cardiology, Mount Sinai Morningside, Mount Sinai Heart, New York, NY, USA.

Echocardiography (Mount Kisco, N.Y.)
|May 8, 2021
PubMed
Summary
This summary is machine-generated.

Secondary mitral regurgitation involves mitral leaflet tethering or annular dilation. Echocardiography reveals mitral leaflets actively contribute to this condition.

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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
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A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
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A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
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Area of Science:

  • Cardiology
  • Cardiac Imaging
  • Valvular Heart Disease

Background:

  • Secondary mitral regurgitation (SMR) was traditionally attributed to mitral leaflet tethering or annular dilation.
  • Atrial remodeling was considered a primary driver of these anatomical changes.

Purpose of the Study:

  • To explore the evolving understanding of SMR pathophysiology.
  • To highlight the role of advanced echocardiography in elucidating mitral valve leaflet function in SMR.

Main Methods:

  • Review of current literature on SMR.
  • Analysis of echocardiographic findings in patients with SMR.
  • Focus on functional mitral valve anatomy.

Main Results:

  • Echocardiography demonstrates that mitral leaflets are not merely passive structures in SMR.
  • Mitral leaflets actively participate in the dynamic process of SMR.
  • Functional anatomy provides a more nuanced view beyond simple tethering or dilation.

Conclusions:

  • The understanding of SMR pathophysiology has advanced.
  • Mitral leaflets are active contributors to SMR, not just passive bystanders.
  • Echocardiography is crucial for understanding the functional role of mitral leaflets in SMR.