Aortic Aneurysm Scan
Abdominal aortic aneurysms or AAA is usually evaluated using ultrasound. This condition involves swelling of the aorta, the primary blood vessel that transports blood from the heart to the whole body. Normally, about 2.5 cm in diameter within the abdomen, the aorta can expand beyond 5 cm.
Men over 65 are more prone to aneurysms compared to younger men and women. These can be life-threatening, as larger aneurysms may rupture. Approximately 8 in 10 individuals with an aortic aneurysm do not survive.
Smaller aneurysms rarely produce symptoms, but larger ones may lead to various noticeable signs.
Though the exact causes of AAA remain unclear, contributing factors include high blood pressure, obesity, smoking, and elevated cholesterol levels.
Purpose of the Ultrasound Scan
The aortic aneurysm ultrasound is frequently performed to assess the abdominal aorta and iliac vessels.
Reasons for an AAA Ultrasound Scan
This scan may be recommended if you experience:
- Severe back or abdominal pain
- A noticeable pulsation in the centre of your abdomen
- Rapid heartbeat
- Nausea and vomiting
- Profuse sweating
- Shock
Scan Preparation Requirements
No special preparation is required; however, it is advisable to avoid foods that may lead to excessive abdominal gas.
What to Expect
Before the procedure, the sonographer will first take you through the process. After that, you will be asked to lift your top to expose your abdomen. A special ultrasound gel will be applied to your skin, and a probe will be used to transmit sound waves into your body to generate images of the aorta.
This scan is painless; your provider will inform you immediately if an AAA is detected. A report will be provided for you to take with you, and follow-up recommendations may as well be provided if necessary.