Vascular Disease USMLE Step 1 Practice Question
A 70-year-old man with hypertension and hyperlipidemia presents for screening. Vitals: BP 158/92 mmHg, HR 88/min, RR 16/min, temp 37.2°C. Abdominal ultrasound reveals a 3.2 cm infrarenal abdominal aortic aneurysm with normal wall thickness and no mural thrombus. He denies abdominal or back pain. Serum creatinine is 1.1 mg/dL. He takes lisinopril and atorvastatin. Which management strategy is most appropriate?
Answer choices
- ASerial ultrasound surveillance every 12 months with risk factor modificationCorrect answer
- BInitiate beta-blockers and defer imaging follow-up
- CImmediate elective open surgical repair
- DAnnual computed tomography angiography for definitive surveillance
- EEndovascular aneurysm repair without delay
- FImmediate endovascular repair with close follow-up imaging every 3 months
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