esmolol

== English == === Etymology === From es(ter) +‎ m(ethyl) +‎ -olol (“β-adrenoceptor antagonist”). === Pronunciation === (General American) IPA(key): /ˈɛz.məˌlɔl/ === Noun === esmolol (uncountable) (pharmacology) A cardioselective beta blocker used in parenteral forms in the treatment of arrhythmias and severe hypertension. === References ===