A patient with an abdominal aortic aneurysm may or may not present with symptoms depending on whether it has ruptured or if there are complications.
Unruptured abdominal aortic aneurysm:
(1) usually asymptomatic
(2) may result in chronic, vague abdominal, back or flank pain
Complications of an unruptured aneurysm:
An aneurysm with impending rupture may present as severe lumbar pain.
Ruptured aneurysm may present with:
(1) sudden onset of pain in mid-abdomen or flank, with radiation into scrotum if male
(2) hypotension and shock
(3) pulsatile abdominal mass
Point of Aortic Rupture
Site of Hemorrhage
collapse and death
biphasic rupture or chronic occlusion
Biphasic rupture involves:
(1) a small tear with a small amount of bleeding
(2) a stable period of several hours
(3) occurrence of a larger tear with hypotension and shock
Infrequent complications of a ruptured aneurysm:
(1) aortoduodenal fistula
(2) aortocaval fistula
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