مريض ضغطه غير منضبط رغم ثلاثة أدوية منها مدر بول، والبوتاسيوم منخفض بدون سبب واضح. أي حالة يُستحسن تقييمها؟

A client has uncontrolled BP despite three drugs including a diuretic, and an unexplained low potassium. Which condition should be assessed?

1. Adrenal insufficiency
2. Vitamin B12 deficiency
3. A prolactin-secreting pituitary tumour
4. Primary hyperaldosteronism

Answer: D) Primary hyperaldosteronism. Resistant hypertension with hypokalaemia suggests primary aldosteronism, a common cause of secondary hypertension. The aldosterone-to-renin ratio is measured.