we compared 40 patients ( group i ) of mean age 53.9 +/- 8.5 years admitted for mi in the six hours following the onset of symptoms treated by thrombolysis and intravenous beta-blockers ( metoprolol or atenolol ) , with 27 patients ( group ii ) of mean age 57.1 +/- 9.4 years treated within the same time lapse by thrombolysis alone .
C0027051
mi
C0004147
atenolol