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Related Concept Videos

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

714
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...
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Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

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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...
955
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

525
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...
525

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Related Experiment Video

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In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging
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TAVR for Pure Aortic Regurgitation: A Patient-Specific Simulation-Based Feasibility Study

Yu Mao1, Mengen Zhai2, Ping Jin2

  • 1Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China; Department of Cardiovascular Surgery, Xijing Hospital, Xi'an, Shaanxi, China.

JACC. Asia
|March 4, 2026
PubMed
Summary

No abstract available in PubMed .

Keywords:
3D printingSilara systemaortic regurgitationcomputational fluid dynamicstranscatheter aortic valve replacement

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