- beta blocker, beta-adrenergic blocker, beta-adrenergic blocking agent - any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system
--1 is a kind of blocker, blocking agent
--1 has particulars:acebutolol, Sectral; atenolol, Tenormin; carvedilol; esmolol, Brevibloc; metoprolol, Lopressor; nadolol, Corgard; pindolol, Visken; propanolol, Inderal; timolol, Blocadren