Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

53
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...
53
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

51
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...
51
Computed Tomography01:10

Computed Tomography

4.7K
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
4.7K
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

16
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...
16
Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

393
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,...
393
Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

319
Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
319

You might also read

Related Articles

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

Sort by
Same author

Use of Home Spirometry for Steroid Tapering.

Respirology case reports·2026
Same author

Lung Complications After Allogeneic Hematopoietic Cell Transplant and Outcomes: Implications Beyond Bronchiolitis Obliterans Syndrome.

Transplantation and cellular therapy·2026
Same author

Hallucination at low radiation dose: Evaluation of two deep-learning reconstruction methods in high-resolution chest CT.

Proceedings of SPIE--the International Society for Optical Engineering·2026
Same author

The role of membranous septum length as a predictor for post-TAVR pacemaker implantation in patients with pre-existing RBBB.

International journal of cardiology. Heart & vasculature·2026
Same author

Elastic parametric response mapping: localising reversible small airway disease in COPD.

Thorax·2026
Same author

Cannonball metastases as an initial presentation of urothelial bladder carcinoma: a case report and literature review.

Urology case reports·2026
Same journal

Editors' Recognition for Reviewing in 2025.

Journal of thoracic imaging·2026
Same journal

The Diagnostic and Prognostic Value of Multi-Chamber Strain Analysis by Cardiac MRI in Amyloidosis.

Journal of thoracic imaging·2026
Same journal

Computed Tomography-Derived Nakata Index as a Predictor of Functional Impairment in Chronic Obstructive Pulmonary Disease: A Retrospective Cohort Study.

Journal of thoracic imaging·2026
Same journal

Regarding the Society of Thoracic Radiology Mentoring Program.

Journal of thoracic imaging·2026
Same journal

Pulmonary Fungal Infections in Immunocompetent Patients.

Journal of thoracic imaging·2026
Same journal

The Air-Cleft Sign: Imaging and Histopathologic Findings in 7 Cases of Pulmonary Benign Metastasizing Leiomyomatosis.

Journal of thoracic imaging·2026
See all related articles

Related Experiment Video

Updated: Aug 6, 2025

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
04:40

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans

Published on: August 28, 2018

15.3K

Opportunistic Screening for Atrial Fibrillation on Routine Chest Computed Tomography.

William A Parker1, Davis M Vigneault1, Issac Yang1

  • 1Stanford University School of Medicine, Stanford, CA.

Journal of Thoracic Imaging
|March 14, 2023
PubMed
Summary
This summary is machine-generated.

Left atrial enlargement (LAE) on chest CT scans can predict atrial fibrillation (AFib). Measurements of left atrial maximal axial cross-sectional area (LA-MACSA) and left atrium anterior-posterior dimension (LA-AP) are specific indicators for AFib risk.

More Related Videos

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

1.7K
The Supraclavicular Fossa Ultrasound View for Central Venous Catheter Placement and Catheter Change Over Guidewire
07:47

The Supraclavicular Fossa Ultrasound View for Central Venous Catheter Placement and Catheter Change Over Guidewire

Published on: December 23, 2014

19.3K

Related Experiment Videos

Last Updated: Aug 6, 2025

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
04:40

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans

Published on: August 28, 2018

15.3K
Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

1.7K
The Supraclavicular Fossa Ultrasound View for Central Venous Catheter Placement and Catheter Change Over Guidewire
07:47

The Supraclavicular Fossa Ultrasound View for Central Venous Catheter Placement and Catheter Change Over Guidewire

Published on: December 23, 2014

19.3K

Area of Science:

  • Radiology and Cardiology
  • Medical Imaging Biomarkers
  • Atrial Fibrillation Detection

Background:

  • Atrial fibrillation (AFib) significantly elevates stroke risk.
  • Quantitative imaging biomarkers from chest CT aid in disease detection.
  • Left atrial enlargement (LAE) is a known consequence of AFib.

Purpose of the Study:

  • To investigate the association between AFib status and LAE on non-gated chest CT.
  • To determine if CT-derived LA measurements can predict AFib.
  • To evaluate the diagnostic performance of LA measurements for AFib detection.

Main Methods:

  • 500 patients undergoing non-gated chest CT were analyzed.
  • Left atrium maximal axial cross-sectional area (LA-MACSA) and left atrium anterior-posterior dimension (LA-AP) were measured.
  • Statistical analyses and machine learning models were employed to predict AFib using LA measurements and clinical data.

Main Results:

  • Patients with AFib exhibited significantly larger LA-MACSA and LA-AP compared to those without AFib (P <0.000001).
  • LA-MACSA and LA-AP showed an AUC of 0.73 for AFib prediction.
  • Multivariable analysis and machine learning models improved AFib prediction accuracy, with AUCs up to 0.77.

Conclusions:

  • LA-MACSA (>30 cm²) and LA-AP (>4.5 cm) are specific CT-based indicators for predicting AFib risk.
  • These measurements can be rapidly obtained from routine chest CT scans.
  • Utilizing CT-derived LA metrics can aid in identifying patients at increased risk for AFib.