Betapace - beta adrenoblocker, antiarrhytmic medicine. It is taken for treatment of ventricular arrhythmia, tachycardia, supraventricular arrhythmia, tachycardia at thyrotoxicosis, angina of effort, especially at combination with tachyarrhythmias, arterial hypertension, hypertrophic cardiomyopathy, prolapse of the mitral valve, prevention and treatment of myocardial infarction at stable condition of the patient.