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Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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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...
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Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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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...
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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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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...
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Aneurysm IV: Nursing Management01:22

Aneurysm IV: Nursing Management

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Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
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Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

186
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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Thoracic Aorta01:15

Thoracic Aorta

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The thoracic section of the aorta begins at the T5 vertebra and extends to the T12 level at the diaphragm, initially progressing through the mediastinum to the left of the spinal column. Throughout its course in the thoracic segment, the thoracic aorta emits various offshoots known collectively as visceral and parietal branches. The branches that predominantly supply blood to visceral organs are termed visceral branches and include bronchial, pericardial, esophageal, and mediastinal arteries,...
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Related Experiment Video

Updated: Nov 19, 2025

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

Maïté Godfrin1, Nigel Howarth2, Denis Tack1

  • 1EpiCURA, BE.

Journal of the Belgian Society of Radiology
|January 28, 2021
PubMed
Summary
This summary is machine-generated.

Kommerell aneurysm is a rare cause of mediastinal enlargement seen on chest X-rays. Computed tomography (CT) is essential for diagnosing this vascular anomaly accurately.

Keywords:
Chest X-rayChest-CTKommerell aneurysmKommerell diverticulummediastinal enlargment

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Area of Science:

  • Cardiovascular Imaging
  • Thoracic Radiology
  • Vascular Surgery

Background:

  • Mediastinal enlargement on chest radiography can indicate various pathologies.
  • Differentiating between common and rare causes is crucial for timely intervention.

Observation:

  • A case presenting with mediastinal widening on a chest radiograph was investigated.
  • The imaging findings were suggestive of a vascular abnormality.

Findings:

  • The diagnosis of Kommerell aneurysm was established.
  • This rare condition involves dilation of the proximal aberrant subclavian artery.

Implications:

  • Kommerell aneurysm should be considered in the differential diagnosis of mediastinal widening.
  • Computed tomography (CT) is the gold standard for confirming the diagnosis and assessing its extent.
  • Accurate diagnosis is vital for appropriate management and preventing complications.