An asymptomatic 28-year-old male is found to be hypertensive on
routine physical exam.
Laboratory Studies
Serum sodium 142 mEq/L
Serum potassium 3.4 mEq/L
Serum chloride 108 mEq/L
Serum bicarbonate 30 mEq/L
Blood urea nitrogen 15 mg/dL
Serum creatinine 0.8 mg/dL
Plasma renin activity 1.2 ng/mL/hr (Normal range 1-6)
Plasma aldosterone 33 ng/dL (Normal range 5-20)
Which of the following is the most likely cause of this patient’s alkalosis:
A. Cushing syndrome
B. Primary hyperaldosteronism
C. Liddle syndrome
D. Glucocorticoid-remediable aldosteronism
E. Renal artery stenosis
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