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 Experiment Videos

Unusual eustachian valve function.

M Saric1, B P Rosenzweig, I Kronzon

  • 1Charles and Rose Wohlstetter Non-Invasive Cardiology Laboratory, New York University Medical Center, New York, NY 10016, USA.

Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography
|April 11, 2000
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Ventricular tachycardia due to isolated non-compaction of the right ventricle.

European heart journal. Cardiovascular Imaging·2018
Same author

Acute and Late Genitourinary Toxicity after 72 Gy of Conventionally Fractionated Conformal Radiotherapy for Localised Prostate Cancer: Impact of Individual and Clinical Parameters.

Clinical oncology (Royal College of Radiologists (Great Britain))·2016
Same author

The country needs peace'.

New solutions : a journal of environmental and occupational health policy : NS·2012
Same author

Invasive inflammatory pseudotumor of the pelvis: a case report with review of the literature.

Journal of B.U.ON. : official journal of the Balkan Union of Oncology·2009
Same author

alpha14-Giardin (annexin E1) is associated with tubulin in trophozoites of Giardia lamblia and forms local slubs in the flagella.

Parasitology research·2007
Same author

Role of echocardiography in aortic atherosclerotic disease and stroke.

Minerva cardioangiologica·2007
Same journal

Redefining Echocardiographic Image Quality Through Artificial Intelligence.

Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography·2026
Same journal

Discordant Superior Vena Cava and Hepatic Vein Doppler: A Physiologic and Imaging Framework.

Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography·2026
Same journal

Natural shear wave velocities at rest are associated with impaired cardiopulmonary fitness in childhood cancer survivors.

Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography·2026
Same journal

Boosting the IQ of Artificial Intelligence: Echocardiographic Big Data and Overcoming the Generalizability Gap The 27<sup>th</sup> Annual Feigenbaum Lecture.

Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography·2026
Same journal

A Year of Adaptive Stewardship, Focus, and Purpose.

Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography·2026
Same journal

A Clinically Interpretable AI System for Real-Time Quality Control of Transthoracic Echocardiography: Development, Validation, and Deployment.

Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography·2026
See all related articles

In adults, the eustachian valve typically doesn't prevent blood reflux. However, in a rare case, it functioned as a true, though regurgitant, valve in a patient with severe tricuspid regurgitation.

Area of Science:

  • Cardiology
  • Embryology
  • Anatomy

Background:

  • The Eustachian valve is a remnant of the fetal circulation, directing blood flow from the inferior vena cava towards the foramen ovale.
  • Normally, it functions as a flap, not a true valve, and does not prevent right atrial blood from refluxing into the inferior vena cava.

Observation:

  • An unusual adult patient presented with severe tricuspid valve regurgitation.
  • In this patient, the Eustachian valve exhibited an atypical function, acting as a true valve.

Findings:

  • The Eustachian valve, usually non-functional as a true valve in adults, demonstrated regurgitant valve function.
  • This unusual function was observed in the context of severe tricuspid valve regurgitation.

Implications:

Related Experiment Videos

  • This case challenges the typical understanding of Eustachian valve anatomy and function in adults.
  • It highlights the potential for congenital remnants to exhibit functional significance in disease states.
  • Further investigation into the Eustachian valve's role in cardiovascular pathology may be warranted.