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Related Concept Videos

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...
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...
Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...
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...
Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

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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Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
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Published on: June 11, 2019

[Current indications for cardiac CT].

J-M Pernès1, M Sirol, V Chabbert

  • 1Service de Radiologie, Hôpital privé d'Antony, 25 rue de la providence, 92160 Antony, France. j.marc.pernes@wanadoo.fr

Journal De Radiologie
|September 16, 2009
PubMed
Summary
This summary is machine-generated.

Coronary CT angiography (CCTA) is highly accurate for diagnosing significant coronary artery disease, especially in acute coronary syndromes. It serves as a valuable tool for ruling out disease and guiding treatment decisions in specific patient groups.

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Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Interventional Cardiology

Background:

  • Coronary CT angiography (CCTA) technology is advancing, necessitating updated guidelines for its clinical application.
  • Current CCTA (64 MDCT) demonstrates high accuracy for detecting stenoses >=50% in select populations.
  • Its primary utility lies in its high negative predictive value (96-98%) for excluding coronary artery disease.

Purpose of the Study:

  • To define the current appropriate indications for coronary CT angiography (CCTA).
  • To evaluate CCTA's role in diagnosing coronary artery disease (CAD) based on clinical context.
  • To clarify CCTA's utility in acute coronary syndromes, stable angina, and pre-procedural planning.

Main Methods:

  • Review of current literature and clinical practice guidelines for CCTA utilization.
  • Analysis of CCTA accuracy, particularly its negative predictive value (NPV) and stenosis quantification.
  • Assessment of CCTA's role in conjunction with clinical risk stratification and functional testing.

Main Results:

  • CCTA is effective in excluding CAD in low-risk acute coronary syndrome patients with negative troponins and non-diagnostic ECG.
  • For stable angina or atypical chest pain, CCTA is indicated in low-to-medium risk patients when functional tests are inconclusive or unavailable.
  • CCTA complements conventional angiography for lesion morphology assessment before interventions and may replace it before valvular surgery in select cases.

Conclusions:

  • Coronary CT angiography is a valuable diagnostic tool with established indications in cardiovascular medicine.
  • Its strength lies in high NPV for excluding coronary artery disease, aiding clinical decision-making.
  • CCTA serves as an adjunct or alternative to conventional angiography in specific scenarios, improving patient management.