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alpha-blocker |
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blocker /block·er/ (blok´er) something that blocks or obstructs passage, activity, etc. α-blocker alpha-adrenergic blocking agent; see adrenergic blocking agent. β-blocker beta-adrenergic blocking agent; see adrenergic blocking agent. calcium channel blocker calcium channel blocking agent. potassium channel blocker potassium channel blocking agent. sodium channel blocker sodium channel blocking agent.
alpha-adrenergic antagonist An adrenergic blocking agent which produces miosis and a slight reduction in intraocular pressure. It is used mainly to reverse the mydriatic effect of sympathomimetic drugs (e.g. phenylephrine hydrochloride), or even some antimuscarinic drugs (e.g. tropicamide). Common agents include dapiprazole and moxisylyte (thymoxamine). Syn. alpha-blocker. See sympatholytic drugs. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| ? Mentioned in | ? References in periodicals archive | |
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Concomitant alpha-blocker treatment was reported
for 4% of subjects. "We know that alpha-blocker drugs and Proscar can do the
first, and it looks like a combination of the two can do the
second," Wilt says. The cardiovascular drugs that have the most favorable profile would
be the class of alpha-blockers, ACE inhibitors and ARBs--venodilators,
nitrates and slow calcium channel blockers (with the exception of
verapamil, which may cause a significant decrease in heart rate response
at peak exercise. |
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