Related Experiment Video
Updated: Apr 19, 2026

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
Published on: August 28, 2018
Use of cardiac CT and calcium scoring for detecting coronary plaque: implications on prognosis and patient management
S Divakaran1, M K Cheezum, E A Hulten
11 Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
Insights
Coronary artery calcium (CAC) scoring and CT angiography (CTA) visualize atherosclerosis, offering better cardiovascular disease risk prediction than traditional scores alone. These imaging techniques improve patient prognosis and management decisions.
Area of Science:
- Cardiology
- Medical Imaging
- Preventive Medicine
Background:
- Cardiovascular disease risk is often estimated using risk factor-based calculators.
- Non-invasive imaging like coronary artery calcium (CAC) scoring and coronary CT angiography (CTA) directly visualizes coronary atherosclerosis.
- Existing risk calculators may not fully capture individual patient risk.
Purpose of the Study:
- To review the fundamentals of CAC scoring and coronary CT angiography.
- To discuss the prognostic value of CAC scoring and coronary CTA in patients without prior coronary artery disease.
- To explore how these imaging modalities impact clinical management and patient outcomes.
Main Methods:
- Review of existing literature on CAC scoring and coronary CTA.
- Analysis of studies comparing prognostic information from imaging versus risk factor calculators.
- Synthesis of evidence regarding the clinical utility of coronary atherosclerosis visualization.
Main Results:
- CAC scoring and coronary CTA provide direct visualization of coronary atherosclerosis.
- These imaging techniques offer prognostic information beyond traditional risk factor-based scores.
- The presence, extent, and severity of atherosclerosis on CAC and CTA correlate with patient outcomes.
Conclusions:
- CAC scoring and coronary CTA are valuable tools for cardiovascular risk assessment.
- These imaging modalities enhance prognostic accuracy, particularly in intermediate-risk patients.
- Incorporating CAC scoring and coronary CTA can personalize patient management and improve cardiovascular event prediction.
Abstract:
Clinicians often use risk factor-based calculators to estimate an individual's risk of developing cardiovascular disease. Non-invasive cardiovascular imaging, particularly coronary artery calcium (CAC) scoring and coronary CT angiography (CTA), allows for direct visualization of coronary atherosclerosis. Among patients without prior coronary artery disease, studies examining CAC and coronary CTA have consistently shown that the presence, extent and severity of coronary atherosclerosis provide additional prognostic information for patients beyond risk factor-based scores alone. This review will highlight the basics of CAC scoring and coronary CTA and discuss their role in impacting patient prognosis and management.
More Related Videos
06:57Author Spotlight: Advancing Cardiovascular Imaging - Introducing the Spatially Weighted Calcium Score for Early Disease Detection
Published on: September 22, 2023
06:16Signal Acquisition, Score Interpretation, and Economics of a Non-Invasive Point-of-Care Test for Coronary Artery Disease
Published on: August 9, 2024
Related Concept Videos
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT
Imaging Studies for Cardiovascular System V: CT
Acute Coronary Syndrome III: Diagnostic Studies
Imaging Studies for Cardiovascular System III: X-Ray
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...
Cardiac Catheterization I: Pre-Procedure Overview
Coronary Artery Disease V: Interprofessional Care