in two large randomized studies ( isam and gissi ) a reduction in hospital mortality of about 15 % was observed in patients treated within 6 hours after the onset of symptoms of myocardial infarction with a 1 hour intravenous infusion of 1.5 million u of streptokinase .
C0027051
myocardial infarction
C0038418
streptokinase