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

Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

1.2K
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...
1.2K
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

1.2K
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...
1.2K
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

842
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...
842
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

547
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...
547
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

441
Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
441
Measurement of Blood Pressure01:17

Measurement of Blood Pressure

3.9K
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
3.9K

You might also read

Related Articles

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

Sort by
Same author

Removal notice to Seasonal patterns in diagnosis of chronic coronary syndrome by Ct-angiography -a retrospective single-center experience with 10.022 patients [J Cardiovasc Comp Tomogr 20 (2026) S18].

Journal of cardiovascular computed tomography·2026
Same author

REMOVED: Seasonal Patterns In Diagnosis Of Chronic Coronary Syndrome By Ct-angiography -a Retrospective Single-center Experience With 10.022 Patients.

Journal of cardiovascular computed tomography·2026
Same author

Prognostic impact of disease-related complications in asymptomatic mitral regurgitation: a health insurance claims analysis.

Clinical research in cardiology : official journal of the German Cardiac Society·2024
Same author

Exercise related versus non exercise related out of hospital cardiac arrest - A retrospective single-center study.

Resuscitation plus·2024
Same author

Restrictive versus high-dose oxygenation strategy in post-arrest management following adult non-traumatic cardiac arrest: a meta-analysis.

Critical care (London, England)·2023
Same author

Optical coherence tomography-guided versus angiography-guided percutaneous coronary intervention in acute coronary syndrome: a meta-analysis.

Clinical research in cardiology : official journal of the German Cardiac Society·2023
Same journal

Der Internist·2024
Same journal

Der Internist·2024
Same journal

Der Internist·2024
Same journal

Der Internist·2024
Same journal

Der Internist·2024
Same journal

Der Internist·2024
See all related articles

Related Experiment Video

Updated: Mar 25, 2026

Author Spotlight: Enhancing Graft Viability Assessment Through Quantitative Metrics and Innovative Reservoir Systems
08:49

Author Spotlight: Enhancing Graft Viability Assessment Through Quantitative Metrics and Innovative Reservoir Systems

Published on: August 2, 2024

1.5K

[Paradoxical low-flow low-gradient aortic stenosis].

H Ten Freyhaus1, S Baldus2

  • 1Klinik III für Kardiologie, Angiologie, Pneumologie und Internistische Intensivmedizin, Herzzentrum der Universität zu Köln, Kerpener Str. 62, 50937, Köln, Deutschland. henrik.ten-freyhaus@uk-koeln.de.

Der Internist
|February 18, 2016
PubMed
Summary
This summary is machine-generated.

A paradoxical low-flow, low-gradient aortic stenosis occurs in one-third of patients. This condition requires thorough evaluation to confirm the diagnosis and consider aortic valve replacement if symptoms are present.

Keywords:
Aortic stenosis, pseudosevereAortic valve replacementEchocardiographyEchocardiography, stressStroke volume

More Related Videos

Author Spotlight: Development of a Minimally Invasive Large-Animal Model for Reliable and Reproducible Cardiovascular Research
06:51

Author Spotlight: Development of a Minimally Invasive Large-Animal Model for Reliable and Reproducible Cardiovascular Research

Published on: October 20, 2023

1.8K
O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy
09:24

O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy

Published on: October 6, 2022

4.4K

Related Experiment Videos

Last Updated: Mar 25, 2026

Author Spotlight: Enhancing Graft Viability Assessment Through Quantitative Metrics and Innovative Reservoir Systems
08:49

Author Spotlight: Enhancing Graft Viability Assessment Through Quantitative Metrics and Innovative Reservoir Systems

Published on: August 2, 2024

1.5K
Author Spotlight: Development of a Minimally Invasive Large-Animal Model for Reliable and Reproducible Cardiovascular Research
06:51

Author Spotlight: Development of a Minimally Invasive Large-Animal Model for Reliable and Reproducible Cardiovascular Research

Published on: October 20, 2023

1.8K
O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy
09:24

O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy

Published on: October 6, 2022

4.4K

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Diagnostic Imaging

Background:

  • Severe aortic stenosis diagnosis can be challenging.
  • A discrepancy between valve area and gradient is noted in about one-third of patients.
  • Paradoxical low-flow, low-gradient aortic stenosis presents with reduced stroke volume index and normal ejection fraction.

Purpose of the Study:

  • To highlight the diagnostic challenges in severe aortic stenosis.
  • To identify severe paradoxical low-flow, low-gradient aortic stenosis.
  • To guide management decisions in these complex cases.

Main Methods:

  • Echocardiography
  • Stress echocardiography
  • Computed tomography (CT) for hemodynamic discrepancy evaluation

Main Results:

  • Severe paradoxical low-flow, low-gradient aortic stenosis identified in a substantial number of patients with discrepant initial findings.
  • Extensive work-up is crucial to rule out measurement errors and determine the cause of hemodynamic discrepancy.
  • Normotensive patients with confirmed severe paradoxical low-flow, low-gradient aortic stenosis and symptoms are candidates for aortic valve replacement.

Conclusions:

  • Accurate diagnosis of severe paradoxical low-flow, low-gradient aortic stenosis is critical.
  • Multimodality imaging is essential for confirming the diagnosis.
  • Aortic valve replacement should be considered in symptomatic, normotensive patients with confirmed severe paradoxical low-flow, low-gradient aortic stenosis.