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Related Concept Videos

Abdominal Aorta01:25

Abdominal Aorta

495
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...
495
The Aorta01:14

The Aorta

539
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...
539
Thoracic Aorta01:15

Thoracic Aorta

289
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,...
289
The Arch of Aorta01:10

The Arch of Aorta

487
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...
487
Arteries of Lower Limbs01:20

Arteries of Lower Limbs

750
The external iliac artery transitions out of the body cavity, entering the femoral region of the lower leg, and is renamed the femoral artery at the point where it traverses the body wall. This artery is responsible for the distribution of blood to the thigh's deep muscles and the skin's ventral and lateral regions, achieved through several minor branches and the lateral deep femoral artery, which also spawns a lateral circumflex artery. The knee area receives blood from the genicular...
750

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Related Experiment Video

Updated: May 15, 2025

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

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Aortic Aneurysm: Dissection from the Root to Pelvis.

Lan-Sin Jhang1, An-Shine Chao1, Chih-Wei Chien1

  • 1Department of Obstetrics and Gynecology, New Taipei Municipal Tucheng Hospital, New Taipei City, Taiwan.

Journal of Medical Ultrasound
|April 10, 2025
PubMed
Summary
This summary is machine-generated.

Aortic dissection rarely causes pelvic pain. This case highlights a woman with Marfan syndrome whose pelvic pain was caused by a common iliac artery dissection, diagnosed via point-of-care ultrasound.

Keywords:
Aortic dissectionMarfan’s syndromepelvic painpointofcare ultrasound

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Area of Science:

  • Cardiovascular Medicine
  • Vascular Surgery
  • Diagnostic Imaging

Background:

  • Aortic dissection is a critical cardiovascular emergency.
  • Pelvic pain is an atypical presentation for aortic dissection.
  • Marfan syndrome is associated with increased risk of aortic pathology.

Observation:

  • A 45-year-old woman with Marfan syndrome presented with isolated low abdominal/pelvic pain.
  • Gynecologic clinic evaluation was the initial point of contact.
  • Bedside point-of-care ultrasound was utilized for initial assessment.

Findings:

  • Ultrasound revealed a bilocular, echo-lucent cystic lesion in the pelvis.
  • The lesion was identified as a dissection of the common iliac artery.
  • This represented an uncommon manifestation of aortic dissection.

Implications:

  • Prompt diagnosis of aortic dissection is crucial to prevent rupture.
  • Point-of-care ultrasound can be a valuable tool in diagnosing uncommon presentations.
  • Awareness of vascular complications in Marfan syndrome is essential for gynecologists.