in a randomised , double-blind trial 60 patients with left ventricular dysfunction ( ejection fraction less than 45 % ) but without clinical evidence of heart failure 1 week after q wave myocardial infarction were given captopril 25 mg thrice a day , frusemide 40 mg daily , or placebo .
C0018787
heart
C0027051
myocardial infarction