Abdominal aortic aneurysm

Part I - Describe the pathophysiology, signs and symptoms, and predisposition(s) of an Abdominal Aortic Aneurysm 

Part II - Why were an MRI and CTA scan used as diagnostic tests for this patient? How do they differ? What other diagnostic tests/laboratory tests would be indicated if a AAA is suspected? 

Part III - Discuss pre-surgical medications and the surgical intervention for AAA. If left untreated what are the risks? 

Part IV - What patient education is necessary and what are the implications for family members?