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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

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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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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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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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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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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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Related Experiment Video

Updated: Aug 5, 2025

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
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Evolving Developments in Cardiac CT.

Jonathan D Dodd1, Jonathan A Leipsic1

  • 1From the Department of Radiology, St Vincent's University Hospital, Elm Park, Dublin 4, Ireland (J.D.D.); School of Medicine, University College Dublin, Dublin, Ireland (J.D.D.); and Department of Radiology, St Paul's Hospital, University of British Columbia, Vancouver, Canada (J.A.L.).

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Summary
This summary is machine-generated.

This review highlights recent cardiac CT advancements for cardiovascular disease. New techniques offer noninvasive assessment of coronary stenosis and expand cardiac CT

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Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Medical Technology

Background:

  • Cardiovascular disease remains a leading cause of mortality worldwide.
  • Accurate and noninvasive diagnostic tools are crucial for effective patient management.
  • Cardiac computed tomography (CT) has evolved significantly, offering new capabilities.

Purpose of the Study:

  • To review the latest advancements in cardiac CT for cardiovascular disease evaluation.
  • To discuss the role of novel CT techniques in assessing coronary artery disease and structural heart conditions.
  • To explore emerging applications and future directions in cardiac CT imaging.

Main Methods:

  • Review of recent literature on cardiac CT technologies and applications.
  • Focus on automated plaque analysis, CT-derived fractional flow reserve (FFR-CT), and CT perfusion.
  • Discussion of noncoronary applications, myocardial fibrosis assessment, and photon-counting CT.

Main Results:

  • Automated coronary plaque quantification and subtyping improve characterization of atherosclerosis.
  • FFR-CT and CT perfusion provide noninvasive assessment of the physiological significance of coronary stenosis.
  • Cardiac CT is increasingly used in structural heart interventions and for evaluating cardiomyopathies.

Conclusions:

  • Cardiac CT technology continues to advance, offering powerful tools for diagnosing and managing cardiovascular diseases.
  • Emerging techniques like photon-counting CT promise further improvements in image quality and diagnostic capabilities.
  • The expanding applications of cardiac CT underscore its vital role in modern cardiology.