Related Experiment Video

Updated: Jan 21, 2026

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

870

Computed Tomography Imaging in Aortic Dissection

Amanda H Westfall1, John S Garrett1

  • 1Baylor University Medical Center, Department of Emergency Medicine, Dallas, Texas.

Clinical Practice and Cases in Emergency Medicine
|August 13, 2019
PubMed

Insights

Triple-rule-out CT scans may miss aortic disease. A dedicated thoracic aorta CT angiography is crucial for diagnosing aortic conditions when suspicion is high, even if a CT pulmonary angiogram is initially negative.

Area of Science:

  • Radiology and Imaging
  • Cardiovascular Imaging
  • Thoracic Imaging

Background:

  • Triple-rule-out (TRO) computed tomography (CT) is utilized by emergency physicians for simultaneous evaluation of coronary, pulmonary, and aortic arteries.
  • TRO CT aims for image quality comparable to dedicated CT angiography protocols for each vascular bed.

Purpose of the Study:

  • To emphasize the critical role of dedicated thoracic aorta CT angiography in diagnosing aortic disease.
  • To highlight potential limitations of TRO CT in detecting specific aortic pathologies.

Main Methods:

  • Case report detailing a clinical scenario involving suspected aortic disease.
  • Review of imaging findings from an initial CT pulmonary angiogram and subsequent dedicated thoracic aorta CT angiography.

Main Results:

  • The initial CT pulmonary angiogram was negative for aortic disease.
  • A subsequent dedicated thoracic aorta CT angiography revealed significant aortic pathology.

Conclusions:

  • A high clinical suspicion for aortic disease warrants a dedicated thoracic aorta CT angiography, irrespective of initial negative findings on TRO CT or CT pulmonary angiography.
  • Dedicated imaging protocols ensure optimal diagnostic accuracy for specific vascular structures like the aorta.

More Related Videos

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging09:32

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

Published on: December 9, 2021

3.4K
Combined Near-infrared Fluorescent Imaging and Micro-computed Tomography for Directly Visualizing Cerebral Thromboemboli13:10

Combined Near-infrared Fluorescent Imaging and Micro-computed Tomography for Directly Visualizing Cerebral Thromboemboli

Published on: September 25, 2016

10.3K

Related Concept Videos

Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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...
295
Computed Tomography01:10

Computed Tomography

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...
8.1K
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
518
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
512
Design Example: Traverse Angle Computations01:25

Design Example: Traverse Angle Computations

Traverse angle computations are a critical component of surveying, used to compute the internal angles within a closed traverse. A traverse consists of a series of connected lines forming a closed loop, often used for land boundary delineation or mapping. Calculating the internal angles ensures accuracy in the traverse geometry and is essential for checking survey data integrity.The process begins with known azimuths and bearings of the traverse sides. Internal angles at each vertex are...
310
Area Computation by the Alternative Coordinate Method01:24

Area Computation by the Alternative Coordinate Method

The alternative coordinate method, also known as the Shoelace Formula, is a technique for determining the area of a traverse using Cartesian coordinates. This method relies on the sequential arrangement of x and y coordinates for each point of the shape, ensuring accuracy and ease of application.In this approach, each corner's x and y coordinates are listed as fractions, with the x-coordinate as the numerator and the y-coordinate as the denominator. These coordinates are arranged sequentially...
569