Secondary hypertension

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Hypertension is most commonly idiopathic but in some cases can be traced to another disease. Accurate diagnosis of the causal condition can be difficult, because symptoms other than the elevated blood pressure may be misleading or absent. In this article, Dr Bravo discusses three conditions that can be at the root of hypertension—renal abnormalities, adrenocortical disorders, and pheochromocytoma—and outlines an efficient plan for identification.