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Related Concept Videos

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

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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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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

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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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Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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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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Related Experiment Video

Updated: Apr 7, 2026

Author Spotlight: Using Point-of-Care Ultrasound for Comprehensive Evaluation of the Abdominal Aorta
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False positive aortic dissection on postmortem computed tomography.

Isabelle Le Blanc-Louvry1, Sophie Thureau1, Kathy Ledoux1

  • 1Department of Forensic Medicine, Rouen University Hospital-Charles Nicolle, 1 rue de Germont, 76031 Rouen Cedex, France.

Forensic Science International
|July 14, 2015
PubMed
Summary

Post-mortem CT-scans (PMCT) can misdiagnose aortic dissection due to normal postmortem changes. Autopsies revealed these findings were artifactual, highlighting the need for careful interpretation in forensic radiology.

Keywords:
Aortic dissectionDiagnostic errorForensic radiologyPostmortem computed tomography

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Area of Science:

  • Forensic Radiology
  • Medical Imaging

Background:

  • Post-mortem CT-scan (PMCT) is a valuable diagnostic tool in forensic investigations.
  • Interpreting PMCT requires distinguishing between true pathology and postmortem artifacts.

Observation:

  • Two cases presented with false positive DeBakey type I aortic dissection on non-contrast PMCT.
  • Autopsies confirmed the CT findings were artifactual, not true aortic dissections.

Findings:

  • Normal postmortem changes can mimic serious pathologies like aortic dissection on PMCT.
  • The false positives were attributed to specific artifactual abnormalities observed during autopsy.

Implications:

  • Radiologists must be aware of potential artifacts in PMCT that can lead to misdiagnosis.
  • Combining PMCT with other techniques, such as opacification, may improve diagnostic accuracy for aortic pathology.