areas of the necrotized muscle obtained at autopsy of 11 individuals who had died of myocardial infarction of various periods of duration , 12 biopsy specimens of the myocardium obtained during the operation for correction of congenital heart defects of the type of fallot 's tetrad and isolated defects of the septum with various periods of extracorporeal circulation and hearts of 35 male wistar rats with a damaged myocardium ( lesions being induced by intro-abdominal injection of noradrenalin in a dose of 2.5 mg/kg ) , which were sacrified 6 hours following the exposure to noradrenalin , were studied .
C0018798
of congenital heart defects
C0018816
defects