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Aortic Regurgitation I: Introduction

Aortic Regurgitation I: Introduction

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...

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...

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

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...

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...

Aortic Regurgitation III: Medical Management

Aortic Regurgitation III: Medical Management

Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...

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...

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Related Experiment Video

Updated: May 28, 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

Tricuspid Regurgitation: Pathophysiology, Risk Stratification, and Implications for Intervention.

Mariagrazia Piscione^1,2, Barbara Pala^3,4, Dario Gaudio⁵

¹Asl 2 Abruzzo, Santissima Annunziata Hospital, 66100 Chieti, Italy.

Journal of Clinical Medicine

|May 27, 2026

Summary

Tricuspid regurgitation (TR) drives right heart failure (HF) progression, creating a cycle of worsening right ventricular dysfunction and systemic congestion. A multiparametric risk assessment is crucial for effective management.

Keywords:

TRISCORE multimodality imaging right heart failure risk score tricuspid regurgitation

More Related Videos

Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation

Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation

Published on: March 17, 2023

Related Experiment Videos

Last Updated: May 28, 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

Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation

Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation

Published on: March 17, 2023

Area of Science:

Cardiology
Cardiovascular Medicine
Pulmonology

Background:

Right heart failure (HF) and tricuspid regurgitation (TR) share a complex, bidirectional relationship.
Right ventricular (RV) dysfunction is central to the progression of both conditions.

Purpose of the Study:

To review the pathophysiology of right HF and TR.
To examine clinical implications and risk stratification strategies for TR and RHF.

Main Methods:

Comprehensive literature review focusing on RV dysfunction, pulmonary vascular load, and VA coupling.
Analysis of current risk stratification models, including disease-specific approaches.

Main Results:

TR is both a cause and consequence of RHF, exacerbating RV volume overload and systemic dysfunction.
TRISCORE offers a more comprehensive risk assessment by integrating clinical, biological, and echocardiographic data.

Conclusions:

TR is a key determinant of RHF progression, not just a marker.
A multiparametric approach is essential for optimal therapeutic strategies and clinical decision-making.