Vascular Disease USMLE Step 1 Practice Question
A 58-year-old man with stage 3 chronic kidney disease presents with persistent hypertension (BP 168/98 mmHg, HR 88) despite triple-agent antihypertensive therapy. He denies chest pain or dyspnea. Duplex ultrasound demonstrates turbulent flow and peak systolic velocity >200 cm/s in the right renal artery. Serum creatinine is 2.2 mg/dL with normal potassium. Which of the following is the most likely diagnosis?
Answer choices
- APheochromocytoma
- BPrimary hyperaldosteronism
- CRenal artery stenosisCorrect answer
- DThyroid disease
- ECoarctation of the aorta
- FRenal parenchymal disease with glomerulonephritis
See the full explanation
Get the correct-answer rationale, why each distractor is wrong, the underlying mechanism, and high-yield associations — plus adaptive practice that targets your weak areas — with a free MedBoardPRO account.