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Related Concept Videos

Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

507
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...
507
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

331
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...
331
Mitral Regurgitation IV: Nursing Management01:28

Mitral Regurgitation IV: Nursing Management

343
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...
343
Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

457
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...
457
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

584
IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
584
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

578
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...
578

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Related Experiment Video

Updated: Jan 28, 2026

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
07:42

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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Acute mitral regurgitation.

Nozomi Watanabe1

  • 1Department of Clinical Laboratory, Noninvasive Cardiovascular Imaging, Miyazaki Medical Association Hospital Cardiovascular Center, Miyazaki, 880-0834, Japan.

Heart (British Cardiac Society)
|March 3, 2019
PubMed
Summary
This summary is machine-generated.

Diagnosing acute mitral regurgitation (MR) can be challenging due to its varied presentation. Prompt diagnosis and understanding the specific cause are crucial for effective management and intervention in acute MR patients.

Keywords:
echocardiographyheart failuremitral regurgitation

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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
07:42

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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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A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
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Area of Science:

  • Cardiology
  • Cardiovascular Medicine
  • Medical Diagnostics

Background:

  • Acute mitral regurgitation (MR) diagnosis is often delayed due to atypical presentations compared to chronic MR.
  • Optimal management strategies for acute MR lack consensus, varying with etiology.
  • Secondary MR from acute ischemia and MR in Takotsubo cardiomyopathy present unique clinical challenges.

Purpose of the Study:

  • To highlight the diagnostic challenges and varied etiologies of acute mitral regurgitation.
  • To discuss the complexities in managing acute MR, particularly secondary MR and iatrogenic causes.
  • To emphasize the need for accurate diagnosis to guide timely and appropriate therapeutic interventions.

Main Methods:

  • Review of clinical presentations and diagnostic considerations for acute MR.
  • Analysis of management strategies based on specific etiologies of acute MR.
  • Discussion of therapeutic options including surgical intervention and percutaneous repair.

Main Results:

  • Acute MR diagnosis is frequently missed or delayed.
  • Management is etiology-dependent, with significant challenges in secondary and Takotsubo cardiomyopathy-related MR.
  • Iatrogenic MR is a newly recognized cause.
  • Acute primary MR often necessitates early surgery, with percutaneous repair as an alternative for high-risk patients.

Conclusions:

  • Accurate and timely diagnosis of acute MR severity and etiology are paramount.
  • Effective decision-making regarding surgical or percutaneous intervention relies on firm diagnosis.
  • Understanding the specific mechanisms of acute MR is essential for optimal patient outcomes.