A 32-year-old woman comes to the office because of a lifelong history of muscle cramps and weakness, especially after exercise. She has learned to consume extra salt with her meals and takes magnesium supplements recommended by a previous physician. She has no history of kidney stones. Physical examination shows carpopedal spasm when a blood pressure cuff is inflated above systolic pressure for 3 minutes. Her blood pressure is 108/68 mm Hg. Results of laboratory studies are shown:
Serum
Potassium 3.0 mEq/L
Chloride 96 mEq/L
Bicarbonate 30 mEq/L
Magnesium 1.3 mg/dL
Plasma renin activity 8.5 ng/mL/hr (normal: 0.5-3.3)
Plasma aldosterone 28 ng/dL (normal: 5-20)
24-hour urine collection
Calcium 85 mg/day (normal: 100-300)
Sodium 180 mEq/day
Which of the following is the most likely diagnosis?