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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 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 II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

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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.
Types of Echocardiography
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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Imaging Studies for Cardiovascular System I:Echocardiography01:17

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Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
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Computed Tomography01:10

Computed Tomography

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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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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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Cardiovascular imaging in pediatric patients using dual source CT.

Ronald Booij1, Marcel L Dijkshoorn1, Marcel van Straten1

  • 1Department of Radiology, Erasmus Medical Center, P.O. Box 2240, 3000 CA, Rotterdam, The Netherlands.

Journal of Cardiovascular Computed Tomography
|November 4, 2015
PubMed
Summary

Optimizing pediatric cardiovascular CT requires advanced dual-source scanners to overcome challenges like patient motion and radiation dose reduction. These technologies enable clearer cardiac imaging in newborns and children.

Keywords:
CardiovascularContrast protocolsDose modulationDual source CTECG scan phaseIterative reconstructionPatient preparationPediatric

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Area of Science:

  • Medical Imaging
  • Pediatric Cardiology
  • Radiology

Background:

  • Pediatric cardiovascular CT acquisition is challenging due to patient cooperation, diverse pathologies, and the need for dose reduction.
  • Motion artifacts are common in pediatric cardiac imaging due to high heart and respiratory rates.
  • Dual-source CT scanners offer advanced capabilities for pediatric cardiac imaging.

Purpose of the Study:

  • To outline strategies for optimizing cardiovascular CT acquisition protocols in pediatric patients.
  • To address the challenges of motion artifacts and dose minimization in pediatric cardiac imaging.
  • To highlight the utility of advanced dual-source CT scanner features.

Main Methods:

  • Utilizing second and third-generation dual-source CT scanners.
  • Implementing advanced scan options: high pitch scanning, rapid rotation times.
  • Employing automated tube voltage selection, tube current modulation, and iterative reconstruction.

Main Results:

  • Advanced dual-source CT techniques effectively mitigate motion artifacts.
  • Stringent dose minimization is achievable while maintaining image quality.
  • Optimized protocols enhance diagnostic accuracy in pediatric cardiovascular imaging.

Conclusions:

  • Second and third-generation dual-source CT scanners are well-suited for pediatric cardiovascular imaging.
  • Advanced scanning techniques are crucial for overcoming motion and dose challenges.
  • Protocol optimization leads to improved image quality and diagnostic confidence in pediatric patients.