A 45-year-old woman has hypotension, hyperpigmentation, hyponatraemia and hyperkalaemia. What is the most likely diagnosis?
Answer and explanation
Correct answer: A. Primary adrenal insufficiency
- Step 1: Skin hyperpigmentation and electrolyte changes indicate primary adrenal insufficiency (Addison disease). Answer: Primary adrenal insufficiency. Why not the others: Cushing syndrome, Primary hyperaldosteronism and Phaeochromocytoma don't fit.
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