Esmolol, sold under the brand name Brevibloc, is a cardio selective beta1 receptor blocker with rapid onset, a very short duration of action, and no significant intrinsic sympathomimetic or membrane stabilising activity at therapeutic dosages.
{{Drugbox | Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 412885041 | image = Esmolol structure.svg | image_class = skin-invert-image
| tradename = Brevibloc | Drugs.com = | pregnancy_AU = C | pregnancy_category = | routes_of_administration = Intravenous | ATC_prefix = C07 | ATC_suffix = AB09
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).