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?
- A)Pheochromocytoma
- B)Primary hyperaldosteronism
- C)Renal artery stenosisGABARITO
- D)Thyroid disease
- E)Coarctation of the aorta
Explicação
Renal artery stenosis causes renovascular hypertension through activation of the renin-angiotensin-aldosterone system. Duplex ultrasound showing turbulent flow (elevated velocity) in the renal artery is characteristic. Resistant hypertension with elevated crea... Ver explicação completa e trilha adaptativa →