An aortic aneurysm occurs when the walls of the main blood vessel that carries blood away from the heart (the aorta) bulge or dilate. Aneurysms can occur in any area of the aorta, but the abdomen is the most common site.
A screening test to determine if an AAA is present is recommended based upon the increased risk of developing an AAA, particularly among older men, especially those who smoke or who have a family history of AAA.
AAA screening involves a noninvasive, abdominal ultrasonography. This test is painless and involves the use of an ultrasound probe applied to the abdomen to create and identify an image of the abdominal aorta.
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