[Cardiomegaly in heart rhythm disorder in a newborn infant with diabetic fetopathy].

Report on a newborn with diabetic fetopathia and a temporary 4 : 1 bloc probably due to abnormal storage of glycogen within the heart muscle cells within a visceromegaly. The symptoms disappeared after 12 hours, the visceromegaly (heart, liver) within 7 days. The suspicion of a vitium cordis congenitum could not be confirmed in the first two years of life in repeated examinations. In the first day of life there was a reactive hyperinsulinemia and deviations of the blood glucose level between 10.5 and 1.38 mmol/l. The volume of urine had a tendency to subnormal. There was a slight edema, but no polyuria, which is to been in diabetic fetopathia of the newborn caused by increased excretion of water from storage tissues.