Propranolol

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** A synthetic, nonselective beta-adrenergic receptor blocker with antianginal, antiarrhythmic, antihypertensive properties. Propranolol competitively antagonizes beta-adrenergic receptors, thereby causing negative chronotropic and inotropic effects leading to a reduction in cardiac output.

**Synonyms:** - 1-((1-Methylethyl)amino)-3-(1-naphthalenyloxy)-2-propanol - 1-[(1-Methylethyl)amino]-3-(1-naphthalenyloxy)-2-propanol - PROPRANOLOL