lEnlargement of
abdominal aorta > 3cm
nUsually 2° to
atherosclerosis
nBelow renals,
above iliacs
lAbout 20-25%
rupture
n<4cm~10%;
>10 cm~60%
nRetroperitoneal,
usually on left
nInto GI tract:
massive hemorrhage
nInto IVC: rapid
cardiac decompensation
n