Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Imaging Studies for Cardiovascular System III: X-Ray

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...

Imaging Studies for Cardiovascular System V: CT

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 CT

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...

Acute Coronary Syndrome III: Diagnostic Studies

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Significant variation in histopathological assessment of endoscopic resections for Barrett's neoplasia suggests need for consensus reporting: propositions for improvement.

Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus·2021

Same author

Adherence to pre-set benchmark quality criteria to qualify as expert assessor of dysplasia in Barrett's esophagus biopsies - towards digital review of Barrett's esophagus.

United European gastroenterology journal·2019

Same author

Short versus conventional hydration for prevention of kidney injury during pre-TAVI computed tomography angiography.

Netherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation·2018

Same author

Development of benchmark quality criteria for assessing whole-endoscopy Barrett's esophagus biopsy cases.

United European gastroenterology journal·2018

Same author

Trends in patient characteristics and clinical outcome over 8 years of transcatheter aortic valve implantation.

Netherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation·2018

Same author

Digital microscopy as valid alternative to conventional microscopy for histological evaluation of Barrett's esophagus biopsies.

Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus·2017

Search research articles

Related Experiment Video

Updated: Jun 23, 2026

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans

Published on: August 28, 2018

How critical is frame selection in quantitative coronary angiographic studies?

J H Reiber¹, P van Eldik-Helleman, C J Kooijman

¹Thoraxcenter, Erasmus University, Rotterdam, The Netherlands.

European Heart Journal

|November 1, 1989

Summary

Selecting specific cineangiogram frames for quantitative analysis of coronary arterial segments does not significantly impact measurement reproducibility. This finding suggests that frame selection in the end-diastolic phase is not critical for accurate stenosis assessment.

More Related Videos

Quantification of Mouse Heart Left Ventricular Function, Myocardial Strain, and Hemodynamic Forces by Cardiovascular Magnetic Resonance Imaging

Quantification of Mouse Heart Left Ventricular Function, Myocardial Strain, and Hemodynamic Forces by Cardiovascular Magnetic Resonance Imaging

Published on: May 24, 2021

Semi-Automatic Graphical Tool for Measuring Coronary Artery Spatially Weighted Calcium Score from Gated Cardiac Computed Tomography Images

Semi-Automatic Graphical Tool for Measuring Coronary Artery Spatially Weighted Calcium Score from Gated Cardiac Computed Tomography Images

Published on: September 22, 2023

Related Experiment Videos

Last Updated: Jun 23, 2026

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans

Published on: August 28, 2018

Quantification of Mouse Heart Left Ventricular Function, Myocardial Strain, and Hemodynamic Forces by Cardiovascular Magnetic Resonance Imaging

Quantification of Mouse Heart Left Ventricular Function, Myocardial Strain, and Hemodynamic Forces by Cardiovascular Magnetic Resonance Imaging

Published on: May 24, 2021

Semi-Automatic Graphical Tool for Measuring Coronary Artery Spatially Weighted Calcium Score from Gated Cardiac Computed Tomography Images

Semi-Automatic Graphical Tool for Measuring Coronary Artery Spatially Weighted Calcium Score from Gated Cardiac Computed Tomography Images

Published on: September 22, 2023

Area of Science:

Cardiovascular imaging
Medical diagnostics
Quantitative analysis

Background:

Quantitative analysis of coronary arterial segments from cineangiograms typically involves selecting end-diastolic frames.
Variability in frame selection, even within the end-diastolic phase or across cardiac cycles, can potentially affect measurement reproducibility.

Purpose of the Study:

To investigate the impact of phase shifts in cineframe selection on the reproducibility of quantitative measurements of coronary arterial segments.
To determine the criticality of selecting a specific end-diastolic frame for accurate quantitative analysis.

Main Methods:

Quantitative analysis of 38 patient cineangiograms using the Cardiovascular Angiography Analysis System (CAAS).
Analysis was performed on 8 selected frames per film: the optimal frame (phi), three preceding, three following, and one frame from an adjacent cardiac cycle.
Frame phi was consistently chosen in the end-diastolic phase.

Main Results:

No significant differences were observed in the mean differences and standard deviations of measured parameters (obstruction diameter, reference diameter, percent diameter stenosis, obstruction extent, plaque area) across the selected frames relative to frame phi.
Variability in quantitative measurements was minimal regardless of the specific frame chosen within or adjacent to the end-diastolic phase.

Conclusions:

The selection of a specific cineframe for quantitative analysis of coronary arterial segments in the end-diastolic phase is not critical.
Reproducibility of quantitative measurements is maintained despite minor phase shifts in frame selection, simplifying the analysis process.