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Related Concept Videos

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

834
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...
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Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

544
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...
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Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

395
A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

502
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
502
Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

740
Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
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Related Experiment Video

Updated: Mar 22, 2026

In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging
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Acute Severe Aortic Regurgitation: Imaging with Pathological Correlation.

Rajesh Janardhanan1, Ahmed Khurshid Pasha1

  • 1Department of Medicine, Division of Cardiology, Sarver Heart Center, University of Arizona, Tucson, Arizona, USA.

North American Journal of Medical Sciences
|April 27, 2016
PubMed
Summary

Timely diagnosis of acute aortic regurgitation (AR) is critical. Real-time 3D transesophageal echocardiogram (3D TEE) accurately diagnosed AR, enabling life-saving interventions.

Keywords:
Aortic regurgitation (AR)enterococcus faecalisperforationthree-dimensional transesophageal echocardiogram (3D TEE)transthoracic echocardiography (TTE)vegetation

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Area of Science:

  • Cardiology
  • Medical Imaging

Background:

  • Acute aortic regurgitation (AR) presents a significant diagnostic challenge.
  • Delayed diagnosis of AR can lead to fatal outcomes.

Observation:

  • A case of acute severe AR was successfully diagnosed using real-time three-dimensional (3D) transesophageal echocardiogram (3D TEE).
  • 3D TEE imaging correlated precisely with the surgical pathology specimen.

Findings:

  • Three-dimensional transesophageal echocardiography (3D TEE) offers high accuracy in diagnosing AR.
  • This advanced imaging modality aids in prompt and precise diagnosis.

Implications:

  • Timely diagnosis via 3D TEE facilitates optimal patient management and improves survival rates.
  • While surgical intervention is definitive, medical therapy is crucial for initial stabilization.