1. intravenous beta blocker (trade name Brevibloc) that acts for only a short time; used primarily for cardiac arrhythmias; [syn: esmolol, Brevibloc]
WordNet (r) 3.0 (2006):
esmolol
n 1: intravenous beta blocker (trade name Brevibloc) that acts
for only a short time; used primarily for cardiac
arrhythmias [syn: esmolol, Brevibloc]