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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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Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

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Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
312
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...
552
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

503
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...
503
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

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Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
320
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

426
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,...
426

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Related Experiment Video

Updated: Feb 21, 2026

Signal Acquisition, Score Interpretation, and Economics of a Non-Invasive Point-of-Care Test for Coronary Artery Disease
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Signal Acquisition, Score Interpretation, and Economics of a Non-Invasive Point-of-Care Test for Coronary Artery Disease

Published on: August 9, 2024

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CT coronary imaging-a fast evolving world.

P Rajiah1, S Abbara1

  • 1From the Department of Radiology, Cardiothoracic Imaging, UT Southwestern Medical Center, Dallas, Texas, USA.

QJM : Monthly Journal of the Association of Physicians
|October 13, 2017
PubMed
Summary

Computed tomography (CT) offers advanced imaging for coronary artery disease (CAD), accurately assessing plaques and stenosis. Emerging functional CT techniques and machine learning promise improved diagnosis and patient outcomes.

Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Medical Technology

Background:

  • Computed tomography (CT) is crucial for evaluating coronary artery disease (CAD).
  • Technological advancements have significantly improved CT image quality, spatial resolution, and temporal resolution for coronary artery imaging.
  • CT's accuracy is validated against invasive catheter angiography.

Purpose of the Study:

  • To review the advancements and applications of CT in diagnosing and managing CAD.
  • To highlight CT's ability to characterize atherosclerotic plaques and assess stenosis severity.
  • To discuss emerging functional CT techniques and future directions.

Main Methods:

  • Review of technological advancements in CT for coronary artery imaging.
  • Comparison of CT accuracy with invasive angiography.

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  • Evaluation of CT's role in plaque characterization and functional assessment (e.g., CT-FFR, myocardial perfusion).
  • Discussion of multi-energy CT applications and 3D printing in structural heart disease.

    • Main Results:

    • CT accurately visualizes coronary arteries and characterizes atherosclerotic plaques, including high-risk features.
    • Functional CT techniques like CT-FFR assess hemodynamic significance of stenosis.
    • Multi-energy CT enhances lesion characterization and myocardial perfusion imaging.
    • CT predicts major adverse cardiovascular events and has demonstrated improved clinical outcomes in recent trials.

    Conclusions:

    • CT is a vital tool for CAD evaluation, offering comprehensive insights beyond lumen imaging.
    • Functional CT and machine learning are poised to further revolutionize CAD diagnosis and management.
    • CT's utility extends to structural heart disease, with 3D printing aiding surgical planning.