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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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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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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.
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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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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

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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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Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

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Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
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Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
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Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

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Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
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Related Experiment Video

Updated: Jul 25, 2025

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging
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Dual-Energy CT in Cardiothoracic Imaging: Current Developments.

Leona S Alizadeh1,2,3, Thomas J Vogl1, Stephan S Waldeck3,4

  • 1Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, 60590 Frankfurt, Germany.

Diagnostics (Basel, Switzerland)
|June 28, 2023
PubMed
Summary
This summary is machine-generated.

Dual-energy computed tomography (DECT) offers advanced cardiothoracic imaging techniques. These innovations enhance diagnostic accuracy and patient safety in clinical workflows.

Keywords:
cardiac Imagingcardiovascular imagingdual-energy X-ray absorptiometrydual-energy computed tomographymultidetector computed tomography

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Area of Science:

  • Radiology
  • Medical Imaging
  • Computed Tomography

Background:

  • Dual-energy computed tomography (DECT) technology has evolved with various vendor-specific hardware and software solutions.
  • DECT generates multi-energy datasets, enabling diverse clinical applications across multiple medical fields.
  • Previous research has highlighted DECT benefits in oncology, trauma, emergency radiology, musculoskeletal, and cardiovascular imaging.

Purpose of the Study:

  • To describe the technical principles of DECT relevant to cardiothoracic imaging.
  • To review current developments and clinical applications of DECT in cardiothoracic imaging.
  • To highlight state-of-the-art DECT applications and their potential impact.

Main Methods:

  • Review of DECT technical principles and vendor-specific approaches.
  • Analysis of clinical investigations and reported benefits of DECT in various specialties.
  • Focus on advanced DECT applications and their role in cardiothoracic imaging.

Main Results:

  • DECT enables advanced imaging techniques like virtual monoenergetic imaging (VMI) and material decomposition.
  • Applications such as perfused blood volume imaging, virtual non-contrast imaging (VNC), plaque removal, and virtual non-calcium (VNCa) imaging are detailed.
  • These techniques significantly improve cardiothoracic CT image workflows.

Conclusions:

  • DECT offers significant potential for enhancing diagnostic accuracy in cardiothoracic imaging.
  • Advanced DECT applications contribute to improved patient safety.
  • The continuous development of DECT promises further advancements in clinical practice.