> in same category of hyper-adrenal disorders as [[Cushing's disease]] # Cause - Excess mineralocorticoids (aldosterone) - Can be Conn's syndrome or stimulus within adrenal gland, adenoma - Primary aldosteronism females > males - adrenal adenoma in females - hyperplasia in men # findings ## Clinical - HTN - weakness - paraesthesia in absence of oedema - headache - polyuria/noctuira secondary to reduced renal concentration ability ## Labs - [[hypokalemia]] (normal K does not exclude primary aldosteronism) - [[Hypocalcemia]] - [[hypernatremia]] - [[Blood gas#Metabolic alkalosis]] # other tests - CT/ MRI looking for adrenal tumours - adrenal venous sampling - secondary hyperaldosteronism - plasma aldosterone/renin ratio