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Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm I: Introduction

An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

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

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

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...
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

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...

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Related Experiment Video

Updated: Jul 14, 2026

A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep
07:02

A Large Animal Model for Pulmonary Hypertension and Right Ventricular Failure: Left Pulmonary Artery Ligation and Progressive Main Pulmonary Artery Banding in Sheep

Published on: July 15, 2021

Left ventricular pseudoaneurysm.

Jiun Tuan1, Farhad Kaivani, Hilary Fewins

  • 1University Hospital Aintree, Liverpool, UK. jiuntuan@yahoo.co.uk

European Journal of Echocardiography : the Journal of the Working Group on Echocardiography of the European Society of Cardiology
|June 26, 2007
PubMed
Summary

A chance finding of a left ventricular (LV) mass on echocardiography was initially suspected to be an LV aneurysm via CT scan. Further MRI revealed the mass to be a thrombosed pseudoaneurysm, highlighting the importance of advanced imaging.

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Area of Science:

  • Cardiology
  • Radiology
  • Medical Imaging

Background:

  • Transthoracic echocardiography (TTE) is a primary non-invasive imaging modality for cardiac assessment.
  • Left ventricular (LV) masses can represent a diverse range of pathologies, requiring accurate diagnosis.
  • Distinguishing between true aneurysms and other LV masses can be diagnostically challenging.

Observation:

  • A patient incidentally discovered to have a left ventricular (LV) mass during a routine transthoracic echocardiography (TTE).
  • Initial computed tomography (CT) imaging suggested the possibility of a left ventricular aneurysm, but imaging characteristics were atypical.
  • Magnetic resonance imaging (MRI) was employed for further characterization of the LV mass.

Findings:

  • The transthoracic echocardiography (TTE) identified an unexpected mass within the left ventricle (LV).
  • Computed tomography (CT) imaging provided preliminary data, suggesting a left ventricular aneurysm, though with atypical features.
  • Magnetic resonance imaging (MRI) definitively diagnosed the LV mass as a thrombosed pseudoaneurysm.

Implications:

  • This case underscores the limitations of initial imaging modalities in characterizing complex cardiac masses.
  • Magnetic resonance imaging (MRI) offers superior soft-tissue contrast and characterization capabilities for cardiac pathologies.
  • Accurate diagnosis of LV masses, such as thrombosed pseudoaneurysms, is crucial for appropriate clinical management and patient outcomes.