beta-blocker


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be·ta-block·er

 (bā′tə-blŏk′ər, bē′-)
n.
A drug that blocks beta-receptors, thus counteracting the excitatory effects of norepinephrine and other beta-agonists released from sympathetic nerve endings. Beta-blockers are used primarily to treat angina, hypertension, arrhythmia, and migraine. Also called beta-adrenergic antagonist, beta-adrenergic blocker.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

beta-blocker

n
(Pharmacology) any of a class of drugs, such as propranolol, that inhibit the activity of the nerves that are stimulated by adrenaline; they therefore decrease the contraction and speed of the heart: used in the treatment of high blood pressure and angina pectoris
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations

beta-blocker

nBetablocker m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
"If you stop taking a beta-blocker, your heart failure may worsen, because whatever triggered the condition will still be present," Dr.
Those who were taking nonselective beta-blockers after surgery had a median survival of 40 months, about two-thirds longer than patients taking selective beta-blockers or neither type of beta-blocker..
Those ACC/American Heart Association guidelines recommend a stepwise approach beginning with a beta-blocker and sublingual nitroglycerin, adding a calcium channel blocker if the beta-blocker isn't tolerated or effective, further adding a long-acting nitrate if symptoms persist, incorporating ranolazine (Ranexa) as needed, and finally turning to revascularization for symptomatic relief if multidrug therapy proves inadequate (J Am Coll Cardiol.
DuoTrav[TM] (Alcon Laboratories, Inc., Fort Worth, Texas) is a fixed-dose combination ophthalmic solution containing two topical hypotensives, a PGA travoprost 0.004% and a beta-blocker timolol 0.5% (TTFC).
The large-scale placebo-controlled beta-blocker studies in systolic heart failure revisited: results from CIBIS-II, COPERNICUS and SENIORS-SHF compared with stratified subsets from MERIT-HF.
The main use of beta-blocker drugs is to slow the heart.
reported a meta-analysis in which they described visit-to-visit blood pressure instability in patients receiving beta-blocker treatment [11], and also that this instability was associated with an increased risk of stroke [12].
The study also looked at the relationship between brain lesions at autopsy with beta-blocker treatment compared with other antihypertensive drugs, according to Dr.
However, researchers at North Carolina State University are now studying cats being treated with the beta-blocker atenolol to better determine if early medical therapy improves their of life
Inclusion criteria were comparable to POISE, but did not include the requirement for patient consent (essential for POISE) and included current beta-blocker treatment (an exclusion criterion for POISE).