<prompt> Normal asymptomatic case of myocardial infarction previously treated with antiplatelet and thrombolytic therapy. Secondary prophylaxis for this patients withBeta - blockersCalcium channel blockersNitratesAldosterone antagonists  <response>: Beta- blockers 324- CMDT-08 1543-H17thSecondary prevention of MI b -blockers improve survival rates, primarily by reducing the incidence of sudden death in high -risk subjects of patients through their value may be less in patients without complications with small infection and normal exercise tests b -blockade should be avoided in patients with decompensated heart failure, decompensated asthma or high degrees of AV block Antiplatelet agent - aspirin and clopidogrel are recommended 