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Related Concept Videos

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

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...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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...
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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...
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

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...
Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...

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Related Experiment Video

Updated: May 8, 2026

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
04:40

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans

Published on: August 28, 2018

Coronary Artery Calcification on Prior Non-Gated Chest CT in Patients With Myocardial Infarction: Reporting Rates and

Alistair J Maney1, James Cooper2, Charmaine F Hooker3

  • 1Department of Radiology, North Shore Hospital, Auckland, New Zealand.

Journal of Medical Imaging and Radiation Oncology
|May 7, 2026
PubMed
Summary

Coronary artery calcification (CAC) is rarely reported on non-gated thoracic CT (NGTCT) in New Zealand patients who later have a myocardial infarction (MI). Standardized reporting of CAC could improve cardiovascular risk stratification and prevention.

Keywords:
coronary artery diseaseincidental findingsmyocardial infarctionrisk stratificationx‐ray computed tomography

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Semi-Automatic Graphical Tool for Measuring Coronary Artery Spatially Weighted Calcium Score from Gated Cardiac Computed Tomography Images
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A Semi-Automated and Reproducible Biological-Based Method to Quantify Calcium Deposition In Vitro
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A Semi-Automated and Reproducible Biological-Based Method to Quantify Calcium Deposition In Vitro

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Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
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Semi-Automatic Graphical Tool for Measuring Coronary Artery Spatially Weighted Calcium Score from Gated Cardiac Computed Tomography Images
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A Semi-Automated and Reproducible Biological-Based Method to Quantify Calcium Deposition In Vitro
11:30

A Semi-Automated and Reproducible Biological-Based Method to Quantify Calcium Deposition In Vitro

Published on: June 2, 2022

Area of Science:

  • Cardiology
  • Radiology
  • Public Health

Background:

  • Coronary artery calcification (CAC) is a key predictor of cardiovascular events.
  • Non-gated thoracic CT (NGTCT) reliably detects CAC.
  • International guidelines recommend reporting incidental CAC on NGTCT.

Purpose of the Study:

  • To assess the real-world adherence to CAC reporting recommendations in New Zealand.
  • To evaluate the frequency and quality of CAC reporting in patients with acute myocardial infarction (MI).

Main Methods:

  • Retrospective observational study of 1602 acute MI patients (Jan 2021-Dec 2023) at two NZ hospitals.
  • Reviewed prior NGTCT reports (within 5 years) for CAC reporting and grading.
  • Extracted demographic data and cardiovascular risk factors.

Main Results:

  • Only 16.8% of MI patients had prior NGTCT; CAC was reported in 26% of these reports.
  • Severity grading was provided in only 20% of reported CAC findings.
  • Unreported CAC was common despite high prevalence of modifiable risk factors (e.g., smoking, hypertension).

Conclusions:

  • CAC reporting and grading on NGTCT are infrequent in regional New Zealand.
  • Standardized CAC reporting with management guidance is needed for improved cardiovascular risk stratification and prevention.