The majority of hypertensive patients have essential hypertension, however 5% have a secondary cause for their high blood pressure (secondary hypertension). The most common secondary cause is renal disease, either a parenchymal disorder or renal artery stenosis. Other less common causes include coarctation of the aorta and adrenal disorders. The major products of the adrenal glands include glucocorticoids, mineralcorticoids, sex hormones and catecholamines. Overproduction of each of these hormones produces a distinct clinical syndrome but the hallmark of each is hypertension.
KeywordsPlasma Renin Activity Renal Artery Stenosis Aldosterone Level Secondary Hypertension Beta Blockade
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