title: Perioperative beta blockade.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000008:administration & dosage* / Q000009:adverse effects*; D000787:Angina Pectoris / Q000453:epidemiology; D015897:Comorbidity; D006801:Humans; D007022:Hypotension / Q000139:chemically induced; D007431:Intraoperative Complications / Q000139:chemically induced; D008790:Metoprolol / Q000008:administration & dosage* / Q000009:adverse effects*; D009203:Myocardial Infarction / Q000453:epidemiology; D019990:Perioperative Care / Q000379:methods*; D018570:Risk Assessment
chemical_list: D000319:Adrenergic beta-Antagonists; D008790:Metoprolol