This indispensable guide critically evaluates for hypertension specialists both established and new techniques for diagnosing and treating secondary hypertension in adults and children. Drawing on a variety of medical disciplines-including nephrology, endocrinology, internal medicine, and pediatrics-its world-renowned authors review the critical scenarios that should prompt a search for secondary forms of hypertension, and detail appropriate testing for these uncommon disorders. Additional coverage is given to exogenous or such less-appreciated causes of secondary hypertension as obstructive sleep apnea, primary aldosteronism, renovascular hypertension, and the effects of noncardiac drugs.