| phentolamine | <radiology> Alpha-adrenergic blocker, give before IV contrast in patient with pheochromocytoma (12 Dec 1998) |
|---|---|
| phentolamine hydrochloride | 2-(N '-p-Tolyl-N '-m-hydroxyphenylaminomethyl)-imidazoline hydrochloride;an adrenergic (alpha-receptor) blocking agent. (05 Mar 2000) |
| phentolamine mesylate | Phentolamine methanesulfonate;the same actions as phentolamine hydrochloride, for intravenous use only. (05 Mar 2000) |
| 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, e.g., essential hypertension; the blood pressure is raised by the drug in the latter form of hypertension. (05 Mar 2000) |