[Endocardial fibroelastosis in infants observed at the children's ward of the County Hospital in Włocławek (author's transl)].

The authors have observed eight children suffering from endocardial fibroelastosis at the Children's Ward of the Ziemia Kujawska county hospital in Włocławek. The diagnosis was confirmed by autopsy. In five cases it was isolated fibroelastosis in the remaining three cases fibroelastosis was complicated by other heart malformations. In most of the patients severe symptoms appeared within the first six months of life. All the observed children died in the first two years of life. Death occurred within one day to six months after the appearance of symptoms. The main symptoms were present in ECG, X-rays and laboratory tests.