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Related Concept Videos

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 VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

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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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Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
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Imaging Studies for Cardiovascular System IV: CMRI01:21

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Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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Related Experiment Video

Updated: Aug 1, 2025

Retrograde Perfusion and Filling of Mouse Coronary Vasculature as Preparation for Micro Computed Tomography Imaging
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Post-mortem changes of the vascular system-a thanatological study using multidetector computed tomography.

Coraline Egger1,2, Kim Wiskott3,4, Paul Vaucher5,6

  • 1University Center of Legal Medicine Lausanne-Geneva, Rue Michel-Servet 1, 1211, Geneva, Switzerland. Coraline.Egger@hcuge.ch.

International Journal of Legal Medicine
|April 26, 2023
PubMed
Summary
This summary is machine-generated.

Post-mortem imaging reveals collapsed veins in 61.9% and arteries in 33.1% of cases. Understanding these vascular changes is crucial for accurate forensic radiology and avoiding misinterpretations.

Keywords:
Post-mortem MDCTPost-mortem changesThanatologyVascular system

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Area of Science:

  • Forensic Radiology
  • Thanatology
  • Vascular Imaging

Background:

  • Thanatology traditionally focuses on external post-mortem changes.
  • Vascular system changes post-mortem are less understood, except for cadaveric lividity.
  • Advancements in multidetector computed tomography (MDCT) and magnetic resonance imaging (MRI) offer new insights into post-mortem processes.

Purpose of the Study:

  • To describe post-mortem vascular changes, specifically the presence of gas and collapsed vessels.
  • To investigate the patterns and locations of vascular collapse and gas formation.
  • To enhance the understanding of thanatological processes through radiological examination.

Main Methods:

  • Analysis of post-mortem MDCT data from 118 human bodies.
  • Exclusion of cases with bleeding or external contamination.
  • Systematic exploration of major vessels and heart cavities, with semi-quantitative assessment of gas by a trained radiologist.

Main Results:

  • Collapsed veins observed in 61.9% and arteries in 33.1% of cases.
  • Most affected arteries: common iliac, abdominal aorta, external iliac. Most affected veins: infra-renal vena cava, common iliac, renal.
  • Vessel collapse correlated with minor cadaveric alteration; gas patterns were similar in arteries and veins.

Conclusions:

  • Collapsed vessels and intravascular gas are common findings in post-mortem radiology.
  • Knowledge of these thanatological vascular changes is essential to prevent misinterpretations and potential diagnostic errors.
  • MDCT and MRI aid in understanding post-mortem vascular phenomena, improving forensic interpretations.