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Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm I: Introduction

184
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...
184
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

154
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
154
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

278
The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
278
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

119
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...
119
Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

518
Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
518
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

261
Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
261

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Related Experiment Video

Updated: Dec 14, 2025

Creation of Two Saccular Elastase-Digested Aneurysms with Different Hemodynamics in One Rabbit
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Creation of Two Saccular Elastase-Digested Aneurysms with Different Hemodynamics in One Rabbit

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A leaking spontaneous coronary artery pseudoaneurysm.

Qiangjun Cai1, Syed Gilani1

  • 1Division of Cardiology, University of Texas Medical BranchGalvestonTexas.

Proceedings (Baylor University. Medical Center)
|July 18, 2020
PubMed
Summary

A 78-year-old man with chest pain was diagnosed with a coronary artery pseudoaneurysm. Urgent coil embolization successfully excluded the pseudoaneurysm, resolving the condition.

Keywords:
Coil embolizationST segment elevationcoronary angiographycoronary artery pseudoaneurysmhemopericardium

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Last Updated: Dec 14, 2025

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07:04

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Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit
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Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Vascular Medicine

Background:

  • Coronary artery pseudoaneurysms are rare but serious complications.
  • ST-segment elevation myocardial infarction can be a presenting symptom.

Observation:

  • A 78-year-old male presented with chest pain and ST-segment elevation.
  • Coronary angiography revealed a pseudoaneurysm in the distal right posterior descending artery.
  • Echocardiography indicated a pericardial effusion, concerning for hemopericardium.

Findings:

  • The coronary artery pseudoaneurysm was successfully treated with coil embolization.
  • Complete exclusion of the pseudoaneurysm sac and occlusion of the distal artery were achieved.
  • This intervention resolved the patient's acute presentation.

Implications:

  • Coil embolization is an effective treatment for coronary artery pseudoaneurysms.
  • Prompt diagnosis and intervention are crucial for managing this condition.
  • This case highlights the importance of considering pseudoaneurysms in patients with acute coronary syndromes and non-obstructive coronary artery disease.