Cushing’s syndrome, primary aldosteronism, unilateral renal disease (rarely, bilateral renal artery stenosis), and pheochromocytoma often produce hypertension. Hypertension due to these diseases is classified as secondary hypertension, in contrast to primary idiopathic (essential) hypertension. Although patients with these particular diseases that cause secondary hypertension are a relatively small minority of hypertension patients, the diseases are […]