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Related Concept Videos

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

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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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Atherosclerosis II: Clinical Manifestations and Diagnostic Tests01:27

Atherosclerosis II: Clinical Manifestations and Diagnostic Tests

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Atherosclerosis is a progressive disorder that leads to the thickening and narrowing of arterial walls due to plaque buildup. This condition can cause various symptoms depending on the arteries affected:Coronary Artery Disease (CAD): This condition affects the coronary arteries and may lead to chest pain (angina), shortness of breath (dyspnea), heart attacks, and other heart disease symptoms.Cerebrovascular Disease: This affects blood flow to the brain, causing transient ischemic attacks (TIAs)...
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Imaging Studies for Cardiovascular System V: CT01:28

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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.
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 IV: CMRI01:21

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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,...
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Related Experiment Video

Updated: Dec 29, 2025

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
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Coronary Atherosclerosis Imaging.

Michael Y Henein1,2,3, Sergio Vancheri4, Gani Bajraktari1,5,6

  • 1Institute of Public Health and Clinical Medicine, Umea University, SE-90187 Umea, Sweden.

Diagnostics (Basel, Switzerland)
|January 30, 2020
PubMed
Summary
This summary is machine-generated.

Identifying coronary artery disease risk early is key for prevention. New nuclear imaging techniques assess plaque inflammation, improving prediction of acute cardiac events beyond traditional methods.

Keywords:
coronary atherosclerosiscoronary imagingcoronary plaque

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Area of Science:

  • Cardiovascular Medicine
  • Medical Imaging
  • Nuclear Cardiology

Background:

  • Cardiovascular prevention aims to identify patients at risk for coronary artery disease (CAD) before clinical complications arise.
  • Traditional atherosclerosis imaging focuses on luminal narrowing, which poorly predicts acute events.
  • Advanced imaging now visualizes arterial walls and plaque characteristics, crucial for predicting disease progression.

Purpose of the Study:

  • To evaluate the role of advanced imaging in assessing coronary atherosclerotic burden and plaque characteristics.
  • To explore the predictive value of plaque morphology and inflammation in cardiovascular events.
  • To differentiate between stable and active coronary artery disease using novel imaging approaches.

Main Methods:

  • Utilizing high-resolution imaging techniques for detailed visualization of the arterial wall and coronary plaques.
  • Assessing plaque morphology, composition, and calcification extent.
  • Employing nuclear imaging with radioactive tracers targeting inflammatory components within plaques.

Main Results:

  • Coronary artery calcification extent correlates strongly with overall atherosclerosis burden and future cardiac event rates.
  • Morphologic plaque assessment alone provides limited insight into disease activity.
  • Nuclear imaging offers sensitive assessment of active plaque inflammation, distinguishing stable from active disease.

Conclusions:

  • Advanced imaging, particularly nuclear techniques targeting inflammation, enhances the assessment of coronary artery disease activity.
  • Identifying active inflammation in plaques is crucial for predicting acute coronary events.
  • This approach improves risk stratification for cardiovascular prevention beyond traditional methods.