Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

1.3K
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...
1.3K
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

1.8K
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...
1.8K
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

1.6K
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...
1.6K
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

1.2K
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...
1.2K
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

598
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...
598
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

952
Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
952

You might also read

Related Articles

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

Sort by
Same author

Association of atrial fibrillation status with risk of strokes, mortality and cardiovascular outcomes in patients undergoing coronary artery bypass grafting.

The Canadian journal of cardiology·2026
Same author

Thirty-day mortality among patients admitted due to acute myocardial infarction during the dates of the Cardiac Society of Australia and New Zealand Annual Scientific Meeting.

Internal medicine journal·2026
Same author

Cefazolin for Methicillin-Susceptible <i>Staphylococcus aureus</i> Bacteremia.

The New England journal of medicine·2026
Same author

Impact of atrial fibrillation on clinical outcomes in 28,492 patients following open-heart cardiac valve surgery: A statewide population-linkage study.

BMC medicine·2026
Same author

Ethnicity and its impact on presentation and outcomes in patients with spontaneous coronary artery dissection from the Australian-New Zealand registry.

Heart (British Cardiac Society)·2026
Same author

Comparison of lower and upper respiratory tract specimens for the detection of respiratory viruses and atypical pneumonia pathogens by multiplex real-time polymerase chain reaction.

Pathology·2026

Related Experiment Video

Updated: May 6, 2026

Induction of Right Ventricular Failure by Pulmonary Artery Constriction and Evaluation of Right Ventricular Function in Mice
09:40

Induction of Right Ventricular Failure by Pulmonary Artery Constriction and Evaluation of Right Ventricular Function in Mice

Published on: May 13, 2019

10.4K

Reversible Right Ventricular Outflow Tract Obstruction.

Jayant Ravindran1, Lloyd Ridley2, Genevieve McKew3

  • 1Department of Cardiology, Concord Repatriation General Hospital, Concord, NSW, Australia.

JACC. Case Reports
|March 21, 2025
PubMed
Summary
This summary is machine-generated.

Mediastinal masses are rare, but this case highlights an inflammatory collection causing temporary right ventricular outflow tract obstruction. This unusual finding offers insights into dynamic cardiac impacts from mediastinal conditions.

Keywords:
echocardiographymediastinal massmurmurphysical examinationright ventricular outflow tract obstructionstreptococcus

More Related Videos

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography
07:11

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography

Published on: October 28, 2020

2.8K
Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation
08:43

Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation

Published on: March 17, 2023

591

Related Experiment Videos

Last Updated: May 6, 2026

Induction of Right Ventricular Failure by Pulmonary Artery Constriction and Evaluation of Right Ventricular Function in Mice
09:40

Induction of Right Ventricular Failure by Pulmonary Artery Constriction and Evaluation of Right Ventricular Function in Mice

Published on: May 13, 2019

10.4K
Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography
07:11

Morphological and Functional Assessment of the Right Ventricle Using 3D Echocardiography

Published on: October 28, 2020

2.8K
Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation
08:43

Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation

Published on: March 17, 2023

591

Area of Science:

  • Cardiology
  • Thoracic Surgery
  • Radiology

Background:

  • Mediastinal masses are infrequent, affecting less than 1% of the population.
  • Dynamic right ventricular outflow tract obstruction caused by mediastinal masses is exceptionally rare.

Observation:

  • This study details a unique case involving an inflammatory mediastinal collection.
  • The collection was observed to cause a reversible obstruction in the right ventricular outflow tract.

Findings:

  • An inflammatory mediastinal collection was identified as the cause of dynamic right ventricular outflow tract obstruction.
  • The obstruction was reversible, indicating a non-permanent effect of the mediastinal mass.

Implications:

  • This case expands the understanding of potential cardiac complications arising from mediastinal abnormalities.
  • Highlights the importance of considering mediastinal pathology in cases of unexplained right ventricular outflow tract obstruction.
  • Suggests that early diagnosis and management of inflammatory mediastinal collections may prevent long-term cardiac sequelae.