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Related Concept Videos

The Aorta01:14

The Aorta

3.3K
The aorta is the largest artery in the human body. It originates from the left ventricle of the heart and extends down to the abdomen, where it splits into two smaller arteries. Structurally, it can be divided into four main parts: the ascending aorta, the aortic arch, the thoracic aorta, and the abdominal aorta.
The average diameter of the aorta is approximately 2-3 cm, but the size can vary depending on the section of the aorta and the individual's age, sex, and body size. The aorta is...
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Thoracic Aorta01:15

Thoracic Aorta

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The thoracic section of the aorta begins at the T5 vertebra and extends to the T12 level at the diaphragm, initially progressing through the mediastinum to the left of the spinal column. Throughout its course in the thoracic segment, the thoracic aorta emits various offshoots known collectively as visceral and parietal branches. The branches that predominantly supply blood to visceral organs are termed visceral branches and include bronchial, pericardial, esophageal, and mediastinal arteries,...
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Abdominal Aorta01:25

Abdominal Aorta

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Once the aorta traverses the diaphragmatic plane at the aortic hiatus, it is known as the abdominal aorta. This anatomical structure is positioned leftward of the spinal column, encased within a cocoon of adipose tissue behind the peritoneal cavity. It terminates at the L4 vertebra, where it splits into the common iliac arteries. Prior to this bifurcation, the abdominal aorta gives rise to several vital branches.
The celiac trunk, a singular artery, divides into the left gastric artery, which...
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The Arch of Aorta01:10

The Arch of Aorta

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The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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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...
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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

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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...
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Related Experiment Video

Updated: Feb 26, 2026

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

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[Imaging representation of the aorta].

C Reeps1, S Schellong2, R T Hoffmann3

  • 1Klinik und Poliklinik für Viszeral‑, Thorax- und Gefäßchirurgie, Universitätsklinikum Dresden, Fetscherstr. 74, 01307, Dresden, Deutschland. christian.reeps@uniklinikum-dresden.de.

Der Internist
|July 20, 2017
PubMed
Summary

Advanced imaging techniques like CT angiography and MRI are crucial for diagnosing and managing aortic diseases. These methods, alongside improving ultrasound and PET-CT, guide patient treatment and monitoring effectively.

Keywords:
AngiographyAortic aneurysmAortic dissectionAortic imagingScreening, aorta

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Area of Science:

  • Radiology and Medical Imaging
  • Cardiovascular Diseases

Background:

  • Aortic diseases require accurate imaging for diagnosis and management.
  • Imaging technologies have seen rapid advancements, improving diagnostic capabilities.

Purpose of the Study:

  • To review current imaging modalities for aortic diseases.
  • To highlight the role of advanced imaging in patient management and therapy.

Main Methods:

  • Review of conventional and modern imaging techniques for aortic diseases.
  • Emphasis on cross-sectional imaging like contrast-enhanced computed tomography (CT) angiography and magnetic resonance imaging (MRI).
  • Discussion of ultrasound and positron emission tomography (PET)-CT applications.

Main Results:

  • Contrast-enhanced CT angiography and MRI are the primary diagnostic tools for aortic diseases.
  • Ultrasound is increasingly important for screening and surveillance.
  • PET-CT offers additional therapeutic information.

Conclusions:

  • Modern imaging modalities are essential for diagnosing, planning, and monitoring aortic diseases.
  • CT angiography and MRI are the cornerstones of current aortic disease diagnostics.
  • Evolving techniques like ultrasound and PET-CT enhance patient care and therapeutic assessment.