the incidence of congestive heart failure was studied in the beta blocker heart attack trial in which postmyocardial infarction patients between the ages of 30 and 69 years , with no contraindication to propranolol , were randomly assigned to receive placebo ( n = 1921 ) or propranolol 180 or 240 mg daily ( n = 1916 ) 5 to 21 days after admission to the hospital for the event .
C0027051
heart
C0033497
propranolol