Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

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...

Heart Valves

Heart Valves

The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...

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 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...

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Timing of transfer to a tertiary care center and early surgical outcome of obstructed total anomalous pulmonary venous connection in resource-limited settings.

Annals of pediatric cardiology·2026

Same author

Institutional experience with ductus arteriosus stenting in neonates with duct dependent pulmonary circulation: Procedural outcomes & mid-term follow up.

Indian heart journal·2025

Same author

Congenital cardiac surgery: Innovations from India.

Annals of pediatric cardiology·2025

Same author

Percutaneous Balloon Mitral Valvuloplasty in Children and Adolescents With Juvenile Rheumatic Mitral Stenosis: Single Centre Experience.

Cureus·2025

Same author

Complete Atrioventricular Septal Defect Repair in Patients With Down Syndrome Presenting Beyond Six Months- A Single Center Experience.

World journal for pediatric & congenital heart surgery·2025

Same author

Outcomes in Late Presenting Obstructed Infracardiac Total Anomalous Pulmonary Venous Connection-Single Centre Experience.

World journal for pediatric & congenital heart surgery·2025

Search research articles

Related Experiment Video

Updated: May 25, 2026

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

Published on: February 11, 2022

Double-orifice tricuspid valve: a rare entity.

Trushar Gajjar¹, Neelam Desai

¹Department of Cardiothoracic and Vascular Surgery, Sri Sathya Sai Institute of Higher Medical Sciences, Andhra Pradesh, India. trushargajjar@gmail.com

European Journal of Cardio-Thoracic Surgery : Official Journal of the European Association for Cardio-Thoracic Surgery

|February 1, 2012

Summary

A rare double-orifice tricuspid valve was incidentally found in a child with a large ventricular septal defect during surgery. This atrioventricular valve anomaly is uncommon, especially in the tricuspid position.

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 25, 2026

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China

Published on: February 11, 2022

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
Pediatric Cardiology
Congenital Heart Disease

Background:

Atrioventricular valve duplication is a rare congenital anomaly.
It is more frequently observed in the mitral valve compared to the tricuspid valve.

Observation:

A 14-year-old patient presented with a large inlet muscular ventricular septal defect.
A double-orifice tricuspid valve was incidentally discovered during surgical intervention for the ventricular septal defect.

Findings:

The case highlights an unusual presentation of tricuspid valve anomaly.
The co-occurrence of ventricular septal defect and double-orifice tricuspid valve is noteworthy.

Implications:

This finding expands the understanding of atrioventricular valve malformations.
It underscores the importance of thorough intraoperative assessment for unexpected cardiac anomalies in pediatric patients.