RT Book, Section A1 Gasper, Warren J. A1 Iannuzzi, James C. A1 Johnson, Meshell D. A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. SR Print(0) ID 1193149027 T1 Abdominal Aortic Aneurysm T2 Current Medical Diagnosis & Treatment 2023 YR 2023 FD 2023 PB McGraw-Hill Education PP New York, NY SN 9781264687343 LK accessmedicine.mhmedical.com/content.aspx?aid=1193149027 RD 2024/04/24 AB ESSENTIALS OF DIAGNOSISMost aortic aneurysms are asymptomatic until rupture.80% of AAAs measuring 5 cm are palpable; the usual threshold for treatment is 5.5 cm.Back or abdominal pain with aneurysmal tenderness may precede rupture.Rupture is catastrophic: excruciating abdominal pain that radiates to the back; hypotension.