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An abdominal aortic aneurysm (AAA) is a localized enlargement or bulge in the abdominal part of the aorta. The Aorta is the major blood vessel that supplies blood to the body.

An AAA, if not spotted early on, can grow bigger over time and could rupture, causing life threatening bleeding. 


AAAs are often asymptomatic, making them difficult to detect. They are most often picked up while screening for other conditions.

Depending on the size and rate of growth of the aneurysm, treatment can vary from watchful waiting to emergency surgery.

Some people with AAA may experience

  • A pulsating sensation near the navel

  • Persistent back pain

  • Persistent abdominal pain

When to See a Doctor?

  • Make an appointment with your GP if you have any of the above listed symptoms.

  • If you are male and have been/are a smoker and/or above the age of 65 


An ultrasound scan is done to check for the presence of  AAA.

Who's at Risk of an AAA?

  • Men aged 65 and above

  • Smokers

  • People with High Blood Pressure

  • People with family history of  AAA

  • People with Atherosclerosis


Classification of AAAs based on size

  • small AAA  – 3cm to 4.4cm across

  • medium AAA  – 4.5cm to 5.4cm across

  • large AAA  – 5.5cm or more across

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