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

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

22
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
22
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

22
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...
22
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

10
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
10
Computed Tomography01:10

Computed Tomography

4.5K
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...
4.5K
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

12
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
12
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

38
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,...
38

You might also read

Related Articles

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

Sort by
Same author

Two sides to every wrist: trans-ulnar access for cardiac interventions.

Expert review of medical devices·2026
Same author

Modified Goeckerman therapy for chronic skin diseases in a resource-limited setting: A case series from Kenya.

JAAD case reports·2026
Same author

When Hyperglycemia Moves the Body: A Case of Diabetic Striatopathy.

Cureus·2026
Same author

No difference in recurrence rates between wide local excision and amputation for acral lentiginous melanoma: A systematic review and meta-analysis.

Journal of the American Academy of Dermatology·2026
Same author

Patient Characteristics and Treatment Approaches in Delusional Infestation Across Two Medical Centers: A Retrospective Study.

Skin (Milwood, N.Y.)·2026
Same author

Pathogenesis of psoriasis and psoriatic arthritis: Insights from animal models and single-cell and spatial transcriptomic analyses of skin, synovium and entheses.

Best practice & research. Clinical rheumatology·2026

Related Experiment Video

Updated: Jul 12, 2025

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
06:26

Novel and Innovative Hybrid Technique for Type A Aortic Dissection

Published on: March 28, 2025

320

Type A Aortic Dissection and Non-Contrast Computed Tomography.

Amelie Spangenberg1, Shiavax J Rao1, John Mackrell2

  • 1MedStar Health Internal Medicine Residency Program, MedStar Union Memorial Hospital, 201 E University Pkwy, Baltimore, MD, 21218, USA.

Journal of Community Hospital Internal Medicine Perspectives
|October 25, 2023
PubMed
Summary

Non-contrast enhanced chest computed tomography (CT) can detect acute aortic dissection, though CT angiography is standard. Subtle CT findings like aortic dilation and intimal flaps may indicate dissection, as seen in a unique case.

Keywords:
Acquired immunodeficiency syndromeAortic DissectionHypertensive emergencyNon-contrast computed tomography

More Related Videos

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging
09:32

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging

Published on: December 9, 2021

3.0K
Author Spotlight: Using Point-of-Care Ultrasound for Comprehensive Evaluation of the Abdominal Aorta
07:12

Author Spotlight: Using Point-of-Care Ultrasound for Comprehensive Evaluation of the Abdominal Aorta

Published on: September 8, 2023

2.4K

Related Experiment Videos

Last Updated: Jul 12, 2025

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
06:26

Novel and Innovative Hybrid Technique for Type A Aortic Dissection

Published on: March 28, 2025

320
Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging
09:32

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging

Published on: December 9, 2021

3.0K
Author Spotlight: Using Point-of-Care Ultrasound for Comprehensive Evaluation of the Abdominal Aorta
07:12

Author Spotlight: Using Point-of-Care Ultrasound for Comprehensive Evaluation of the Abdominal Aorta

Published on: September 8, 2023

2.4K

Area of Science:

  • Radiology
  • Cardiovascular Imaging
  • Emergency Medicine

Background:

  • Non-contrast enhanced chest computed tomography (CT) has limited sensitivity for diagnosing acute aortic dissection.
  • CT angiography is considered the gold standard for identifying aortic dissections.
  • Early detection of aortic dissection is crucial for timely intervention and improved patient outcomes.

Purpose of the Study:

  • To highlight the potential diagnostic utility of non-contrast CT in detecting acute aortic dissection.
  • To present a case study illustrating subtle non-contrast CT findings suggestive of aortic dissection.
  • To emphasize key imaging features on non-contrast CT that may indicate aortic dissection.

Main Methods:

  • Case report of a young, immunocompromised male presenting with acute abdominal pain and renal injury.
  • Initial imaging included non-contrast enhanced chest CT due to elevated creatinine.
  • Subsequent CT angiography was performed for definitive diagnosis and characterization of the aortic dissection.

Main Results:

  • Non-contrast CT revealed subtle findings: aneurysmal dilation of the proximal ascending aorta.
  • Displaced calcified intimal flap and intraluminal high density were observed in the thoracic descending and distal abdominal aorta.
  • CT angiography confirmed an extensive type A aortic dissection, leading to emergent surgical repair.

Conclusions:

  • Non-contrast CT, while not the gold standard, can reveal suggestive signs of aortic dissection.
  • Key findings on non-contrast CT include aneurysmal dilation, displaced calcified intimal flaps, intraluminal high densities, and intramural hematoma.
  • Recognition of these subtle findings on non-contrast CT can prompt further investigation and timely diagnosis of acute aortic dissection.