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Medical Term:

phentolamine test


a test for pheochromocytoma; intravenous administration of phentolamine (5 mg) reduces hypertension due to a pheochromocytoma but not that due to other causes, essential hypertension; the blood pressure is raised by the drug in the latter form of hypertension.

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.