127 patients , admitted within six hours of onset of symptoms of acute transmural myocardial infarction , received at first 250 000 u streptokinase intravenously over 20 min , followed by an intracoronary infusion of 250 000 u after coronary angiographic demonstration of the infarct vessel .
C0027051
myocardial infarction
C0038418
streptokinase