The Angiotensin-Infusion Test

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Abstract
THE recently increased awareness of renovascular disease as a cause of hypertension has given rise to a major diagnostic dilemma. Renovascular disease is present in a relatively small but significant proportion of the hypertensive population. It is usually curable by surgery, but if unrecognized, may become irreversible.1 It should therefore be considered in every patient with hypertension, but there is no safe and simple screening procedure applicable to the entire hypertensive population to identify those with functionally important renovascular disease.2 Clinical guides have been proposed to separate those who are most likely to have renovascular disease,3 but recent reports have . . .