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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...
57
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

230
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...
230
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

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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,...
76
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

55
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...
55
Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

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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,...
400
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

42
DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
42

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Related Experiment Video

Updated: Aug 11, 2025

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
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Integrity in cardiovascular imaging research.

Robert M Kwee1, Maan T Almaghrabi2, Thomas C Kwee2

  • 1Department of Radiology, Zuyderland Medical Center, Heerlen/Sittard/Geleen, the Netherlands.

Clinical Imaging
|February 8, 2023
PubMed
Summary

Scientific integrity in cardiovascular imaging research is perceived as high, yet experts report significant concerns regarding fraud, publication bias, and authorship issues among peers.

Keywords:
CardiologyFraudMedical imagingResearchScientific misconductTrust

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Area of Science:

  • Cardiovascular Imaging
  • Scientific Integrity
  • Research Ethics

Background:

  • Cardiovascular imaging research is a critical field with significant implications for patient care.
  • Ensuring the integrity of published research is paramount for scientific advancement and clinical decision-making.

Purpose of the Study:

  • To assess the perceptions of scientific integrity among researchers in cardiovascular imaging.
  • To identify the prevalence of and attitudes towards scientific misconduct within the field.

Main Methods:

  • A survey was distributed to corresponding authors of publications in eight major cardiovascular imaging journals in 2021.
  • The questionnaire focused on aspects of scientific integrity, including fraud, publication bias, and authorship.
  • 160 responses were analyzed from authors with substantial research experience.

Main Results:

  • Despite high overall confidence (median score 8/10), 3.1% admitted to scientific fraud, and 23.8% witnessed or suspected it.
  • Publication bias was perceived as present by 85.6% of respondents.
  • 50% reported co-authorship issues, where a co-author did not merit authorship.

Conclusions:

  • Experts in cardiovascular imaging acknowledge the presence of scientific fraud, publication bias, and honorary authorship.
  • These issues coexist with a generally high level of confidence in the integrity of the field's published research.