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Related Concept Videos

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 Regurgitation II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

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

Mitral Stenosis II: Clinical features and Diagnostic Tests

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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 Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

556
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...
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Mitral Regurgitation IV: Nursing Management01:28

Mitral Regurgitation IV: Nursing Management

503
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...
503
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

888
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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The So-Called 'Eclipsed' Mitral Regurgitation.

Elie Dan Schouver, Pamela Moceri, Olivier Chiche

    The Journal of Heart Valve Disease
    |February 23, 2016
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    Summary
    This summary is machine-generated.

    A severe, reversible mitral regurgitation (MR) was observed in an elderly patient during respiratory distress. This functional MR, caused by mitral leaflet tenting, resolved spontaneously, highlighting a transient cardiac condition.

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    Area of Science:

    • Cardiology
    • Echocardiography
    • Valvular Heart Disease

    Background:

    • An 89-year-old female presented with recurrent pulmonary edema.
    • Initial transthoracic echocardiography (TTE) revealed only mild mitral regurgitation (MR).

    Observation:

    • A transient, severe, and functional MR was noted during an episode of respiratory distress.
    • TTE imaging during the event showed characteristic mitral leaflet tenting.

    Findings:

    • The observed mitral regurgitation was functional, not organic.
    • Mitral leaflet tenting led to a complete absence of coaptation during the episode.
    • The severe MR resolved as the respiratory distress subsided.

    Implications:

    • This case underscores the importance of assessing mitral regurgitation dynamically during acute events.
    • Functional mitral regurgitation can be severe and transient, mimicking organic valvular disease.
    • Understanding dynamic changes in valvular function is crucial for accurate diagnosis and management of heart failure.