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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...
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 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...

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Related Experiment Video

Updated: May 28, 2026

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
08:13

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Published on: February 16, 2016

Automatic vs semi-automatic global cardiac function assessment using 64-row CT.

J Greupner1, E Zimmermann, B Hamm

  • 1Department of Radiology, Charité - Medical School Berlin, Humboldt-Universität zu Berlin, Berlin, Germany.

The British Journal of Radiology
|November 3, 2011
PubMed
Summary
This summary is machine-generated.

An automatic software tool significantly reduces cardiac function assessment time using multidetector CT (MDCT), decreasing analysis duration by up to 85%. This automated method with manual adjustment shows good agreement with traditional semi-automatic approaches for evaluating left ventricular function.

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Area of Science:

  • Cardiovascular Imaging
  • Medical Imaging Analysis
  • Radiology

Background:

  • Global cardiac function assessment with multidetector CT (MDCT) is often time-consuming.
  • Efficient and accurate methods are needed to evaluate left ventricular function.

Purpose of the Study:

  • To compare the efficiency and accuracy of an automatic software tool against a semi-automatic method for global cardiac function assessment using MDCT.
  • To evaluate the impact of manual adjustments and motion mapping on the automatic tool's performance.

Main Methods:

  • 36 patients underwent MDCT with 64 × 0.5 mm detector collimation.
  • Global left ventricular function was assessed using both automatic (region-growing-based) and semi-automatic software tools.
  • Manual adjustments and automatic motion mapping for end-systole identification were analyzed.

Main Results:

  • The automatic software tool reduced assessment time by 75-85% compared to the semi-automatic approach (p<0.001).
  • Good correlation (r=0.89; p<0.001) was found for ejection fraction (EF) between the adjusted automatic and semi-automatic methods.
  • Manual adjustment of the automatic approach improved agreement for end-diastolic volume.

Conclusions:

  • Automatic CT function assessment with manual adjustment offers a fast (under 3 min), reliable alternative to semi-automatic methods.
  • This approach significantly reduces analysis time while maintaining good agreement for global left ventricular function evaluation.