Focal dilation of the aortic wall with an increase in diameter by at least 50% (>3 cm).
95% are infrarenal.
Rapid expansion or rupture causes symptoms.
Rupture can occur into the int...
Abdominal, back, or flank pain:
Vague, dull quality
Constant, throbbing, or colicky
Acute, severe, constant
Radiates to chest, thigh, inguinal area, or scrotum
Establish 2 large-bore IV lines
Rapid transport to the nearest facility with surgical backup
Alert ED staff as soon as possible to prepare the following:
AAA should be on the differential for any patient presenting with pain in the abdomen, back, or flank.
Symptomatic AAA requires immediate treatment. Do not delay definitive care for...
Bentz S, Jones J. Accuracy of emergency department ultrasound in detecting abdominal aortic aneurysm. Emerg Med J. 2006;23(10):803–804.
Choke E, Vijaynagar B, Thompson J, ...
441.3 Abdominal aneurysm, ruptured
441.4 Abdominal aneurysm without mention of rupture
I71.3 Abdominal aortic aneurysm, ruptured
I71.4 Abdominal aortic aneurysm, without rupture
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