blocker

(redirected from a-blocker)
Also found in: Dictionary, Thesaurus.
Related to a-blocker: Ad blocker

blocker

 [blok´er]
something that blocks or obstructs a passage or activity; see also antagonist and blocking agent.
β-blocker (beta-blocker) beta-adrenergic blocking agent.
calcium channel blocker calcium channel blocking agent.
potassium channel blocker potassium channel blocking agent.
sodium channel blocker sodium channel blocking agent.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

block·er

(blok'er),
An instrument used to obstruct a passage.
Farlex Partner Medical Dictionary © Farlex 2012

blocker

A popular term for anything which physically (e.g., a bed blocker, see there) or pharmacologically (e.g., a beta-blocker) impedes a process or activity.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

block·er

(blok'ĕr)
1. An instrument used to obstruct a passage.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Starting from 1994, the approach of combination therapy with a-blockers and antimuscarinics in men with bladder outlet obstruction and overactive bladder (OAB) symptoms has become increasingly accepted.[sup][13] The earliest report by Athanasopoulos et al .[sup][14] set off the growing interest of antimuscarinics use in men with LUTS.
Another study in 2010 assessed the effects of a-blockers on LUTS by IPSS.
These findings are in contrast with our results that a-blockers are better than phytotherapy.
Other studies, including a meta-analysis done for the guidelines, suggest a-blockers are more effective than calcium channel blockers.
The study involves 625 North American clinical sites at which 42,448 high-risk hypertensive patients have been randomized to chlorthalidone, the calcium channel blocker amlodipine, the a-blocker doxazosin, or the ACE inhibitor lisinopril.
The rate of CHF in the diuretic group was 1% per year and twice that in the a-blocker group.