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Mitral Regurgitation I: Introduction

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 Regurgitation II: Clinical Features and Diagnostic Tests

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

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...

Mitral Valve Prolapse I: Introduction

Mitral Valve Prolapse I: Introduction

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...

Mitral Regurgitation III: Medical Management

Mitral Regurgitation III: Medical Management

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...

Mitral Regurgitation IV: Nursing Management

Mitral Regurgitation IV: Nursing Management

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...

Mitral Stenosis I: Introduction

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...

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Related Experiment Video

Updated: Jun 3, 2026

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

Published on: October 16, 2021

Degenerative mitral valve regurgitation: understanding basic concepts and new developments.

Hector I Michelena¹, Yan Topilsky, Rakesh Suri

¹Division of Cardiovascular Diseases and Internal Medicine, Mayo College of Medicine, Mayo Clinic, Rochester, MN 55905, USA. michelena.hector@mayo.edu

Postgraduate Medicine

|April 9, 2011

Summary

This summary is machine-generated.

Degenerative mitral regurgitation is common. Early surgical repair is now the gold standard for severe cases, improving outcomes for asymptomatic patients.

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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

Published on: May 19, 2020

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Last Updated: Jun 3, 2026

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

Published on: October 16, 2021

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

Published on: May 19, 2020

Area of Science:

Cardiology
Cardiac Surgery
Valvular Heart Disease

Background:

Chronic degenerative mitral regurgitation (DMR) is the most prevalent valvular heart disease in the United States.
Understanding DMR's etiology, epidemiology, pathology, and pathophysiology is crucial for effective patient management.

Purpose of the Study:

To provide a comprehensive overview of current knowledge and recent advancements in the assessment and management of severe DMR.
To highlight the significance of surgical mitral valve repair as the established gold standard treatment.

Main Methods:

Review of existing literature on degenerative mitral regurgitation.
Synthesis of etiological, epidemiological, pathological, and pathophysiological concepts.
Analysis of research on natural history and prognostic factors.

Main Results:

Surgical mitral valve repair is confirmed as the gold standard treatment for severe DMR.
Insights into the natural history and prognosis have refined surgical timing strategies.
The concept of early restorative surgery for asymptomatic DMR has gained prominence.

Conclusions:

Optimal management of severe DMR involves a thorough understanding of its multifaceted aspects.
Early surgical intervention, particularly mitral valve repair, is increasingly recognized as beneficial for asymptomatic patients.
Continued research is vital for further decoding the natural history and optimizing treatment paradigms for DMR.