phentolamine test

phen·tol·a·mine test

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

phentolamine test

A pharmacologic test for pheochromocytoma, in which an α-adrenergic blocker, phentolamine, is administered IV; a significant drop in bp, confirmed by quantifying catecholamines or their metabolites in the urine. See Catecholamines, Pharmacological testing.

单词	phentolamine test
释义	phentolamine test phen·tol·a·mine test a test for pheochromocytoma; intravenous administration of phentolamine (5 mg) reduces hypertension due to a pheochromocytoma but not that due to other causes, for example, essential hypertension; the blood pressure is raised by the drug in the latter form of hypertension. phentolamine test A pharmacologic test for pheochromocytoma, in which an α-adrenergic blocker, phentolamine, is administered IV; a significant drop in bp, confirmed by quantifying catecholamines or their metabolites in the urine. See Catecholamines, Pharmacological testing.
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