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Related Concept Videos

Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

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IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
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Mitral Stenosis I: Introduction01:22

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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...
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Mitral Valve Prolapse III: Nursing Management01:19

Mitral Valve Prolapse III: Nursing Management

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The nursing management of Mitral Valve Prolapse, or MVP, centers around patient education, symptom monitoring, and lifestyle modifications.Patient Education on MVP Diagnosis and Heredity: Nurses should provide comprehensive education about MVP, a condition where the mitral valve does not close appropriately during heartbeats. This education often includes the condition's pathophysiology, symptoms, and potential complications, like arrhythmias or mitral regurgitation. Though not fully...
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Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

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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...
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Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

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

Mitral Stenosis II: Clinical features and Diagnostic Tests

27
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...
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Mitral annular disjunction: Beyond mitral valve prolapse.

Bebiana Faria1, Sílvia Ribeiro1, Lucy Calvo1

  • 1Hospital Senhora da Oliveira - Guimarães, Guimarães, Portugal.

Revista Portuguesa De Cardiologia : Orgao Oficial Da Sociedade Portuguesa De Cardiologia = Portuguese Journal of Cardiology : an Official Journal of the Portuguese Society of Cardiology
|May 8, 2023
PubMed
Summary

Mitral annular disjunction (MAD), often linked to mitral valve prolapse, is a recognized risk for sudden cardiac death. This study highlights two cases and reviews risk stratification for these patients.

Keywords:
Disjunção anel mitralMitral annular disjunctionMitral valve prolapseMorte súbita cardíacaProlapso mitralSudden cardiac death

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Area of Science:

  • Cardiology
  • Cardiac Imaging
  • Electrophysiology

Background:

  • Mitral annular disjunction (MAD) is an echocardiographic finding frequently associated with mitral valve prolapse.
  • MAD is an independent risk marker for ventricular arrhythmias and sudden cardiac death.
  • Current management and risk stratification for patients with MAD are not systematized.

Approach:

  • Presents two clinical cases of MAD associated with mitral valve prolapse and ventricular arrhythmias.
  • Details a case of sustained monomorphic ventricular tachycardia in a patient with prior mitral valve surgery and MAD.
  • Focuses on risk stratification approaches for a young woman with palpitations, premature ventricular contractions, and MAD.

Key Points:

  • Mitral annular disjunction is often underrecognized despite being identifiable on echocardiography.
  • The association between MAD, mitral valve prolapse, and serious ventricular arrhythmias is significant.
  • Systematic approaches to risk stratification and management in MAD patients are needed.

Conclusions:

  • MAD, particularly when associated with mitral valve prolapse, represents a significant arrhythmic risk.
  • Further research is warranted to establish standardized risk stratification and management protocols for MAD.
  • Early identification and appropriate evaluation of MAD are crucial for patient outcomes.