<prompt> Answer this question truthfullyWhat exactly is an aortic aneurysm?  <response>: <reason> Class IIa 2. In patients with TAA, regardless of cause and in the absence of contraindications, use of beta blockers to achieve target BP goals is reasonable. Level of Evidence: C-LD 3. In patients with TAA, regardless of etiology and in the absence of contraindications, ARB therapy is a reasonable adjunct to beta-blocker therapy to achieve target BP goals. Level of Evidence: C-EO 