Abdominal aortic aneurysm physical examination

Abdominal Aortic Aneurysm Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]

Physical Examination

• The physical examination may miss a substantial number of asymptomatic AAAs
• The abdominal aorta should be checked during regular physical examinations because it is easy to do and may detect a life-threatening aneurysm.
• The sensitivity of physical examination increases with the size of the aneurysm:

  • 29-61% for AAAs 3.0-3.9 cm in diameter
  • 76-82% for those AAAs 5.0 cm or larger

• Generally, it is easier to detect a pulsatile mass in thin patients and those who do not have tense abdomens.
• Contrary to popular belief, gentle palpation of AAAs is safe, and does not precipitate rupture.

On physical examination, a palpable abdominal mass can be noted. Bruits can be present in case of renal or visceral arterial stenosis.