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Related Concept Videos

Abdominal Aorta01:25

Abdominal Aorta

2.6K
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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Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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Ultrasound I: Abdominal Ultrasonography01:20

Ultrasound I: Abdominal Ultrasonography

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Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...
1.9K
Abdominal Regions and Quadrants01:19

Abdominal Regions and Quadrants

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To promote clear communication, for instance, about the location of a patient's abdominal pain or a suspicious mass, anatomists and clinicians typically use imaginary lines to categorize the abdominopelvic cavity into either four quadrants or nine regions to identify organs in the cavity.
The simpler quadrants approach, which is more commonly used in medicine, subdivides the cavity with one horizontal and one vertical line that intersects at the patient's umbilicus (navel). The four...
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Aneurysm IV: Nursing Management01:22

Aneurysm IV: Nursing Management

488
Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
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Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

324
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
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Related Experiment Video

Updated: Feb 15, 2026

Porcine Model of Infrarenal Abdominal Aortic Aneurysm
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An 18-cm unruptured abdominal aortic aneurysm.

Nathan M Droz1, Jason Miner1, Louisa Pecchioni1,2

  • 1Department of Surgery, Wright State University, Dayton, Ohio.

Journal of Vascular Surgery Cases and Innovative Techniques
|January 20, 2018
PubMed
Summary

A 60-year-old man had a giant abdominal aortic aneurysm (AAA) measuring 18 cm detected. Successful surgical repair demonstrates feasible treatment for these rare, large aneurysms.

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Area of Science:

  • Vascular Surgery
  • Cardiovascular Medicine

Background:

  • Abdominal aortic aneurysm (AAA) is a leading cause of death in older adults.
  • Aneurysm size is the primary risk factor for rupture, with larger aneurysms posing a higher threat.

Observation:

  • A 60-year-old man presented with a giant abdominal aortic aneurysm (AAA) measuring 15 cm, discovered incidentally.
  • Further imaging confirmed an 18 cm x 10 cm unruptured, infrarenal, fusiform AAA.

Findings:

  • Giant abdominal aortic aneurysms (>11 cm) are exceptionally rare in medical literature.
  • This case details one of the largest reported unruptured AAAs.

Implications:

  • Successful surgical repair of this giant AAA was achieved via transperitoneal approach with inferior mesenteric artery reimplantation.
  • This case highlights the feasibility and successful management of extremely large abdominal aortic aneurysms.