25th August 2020

A 48-year-old man is referred to endocrinology clinic

A 48-year-old man is referred to endocrinology clinic. He has a background of hypertension, and his blood pressure remains persistently greater than 150/100 mmHg, despite treatment with ramipril, amlodipine and indapamide. Blood biochemistry shows a potassium of 2.9 mmol/L (3.5-5.3) and a sodium of 148 mmol/L (133-146).

For the case above, please select the hormone which is the SINGLE most likely to be deranged, causing the clinical features described. Select ONE option from the list above.