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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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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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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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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: Mar 1, 2026

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
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Myocardial CT perfusion imaging for ischemia detection.

Patricia Carrascosa1, Carlos Capunay1

  • 1Department of Cardiovascular Imaging, Diagnóstico Maipú, Buenos Aires, Argentina.

Cardiovascular Diagnosis and Therapy
|May 26, 2017
PubMed
Summary

Coronary computed tomography angiography (CCTA) assesses coronary artery anatomy but not ischemia. Myocardial CT perfusion (CTP) using static techniques with SECT or DECT offers a comprehensive evaluation of both anatomy and ischemia.

Keywords:
Computed tomography (CT)dipyridamoledual energy imagingnecrosisperfusion defect

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Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Medical Diagnostics

Background:

  • Coronary computed tomography angiography (CCTA) is vital for assessing coronary artery disease (CAD) in specific patient groups.
  • CCTA limitations include the inability to detect associated ischemia, crucial for managing moderate to severe stenosis.
  • Cardiac CT offers a unique comprehensive evaluation of coronary anatomy and lesion functional significance.

Purpose of the Study:

  • To review the technical parameters of static Myocardial CT Perfusion (CTP).
  • To discuss the clinical evidence for static CTP using both single-energy CT (SECT) and dual-energy CT (DECT).

Main Methods:

  • Review of static and dynamic CTP techniques.
  • Focus on static CTP methods utilizing SECT and DECT.
  • Analysis of technical parameters and clinical evidence for static CTP.

Main Results:

  • Static CTP can be performed using SECT or DECT.
  • CTP provides functional information complementing anatomical data from CCTA.
  • Evidence for static CTP's role in comprehensive cardiac CT evaluation is presented.

Conclusions:

  • Static CTP, using SECT or DECT, enhances cardiac CT's diagnostic capabilities.
  • CTP addresses the limitation of CCTA in assessing ischemia.
  • This review details static CTP's technical aspects and clinical utility.