To the pediatrician, infantile endocarditis is considered a rare condition, its rarity being reflected in the views of various observers. According to Finkelstein,1 "Endocarditis is so extraordinarily seldom seen that it would seem that the endocardium of the infant is possessed of definite immunity." Morse2 contended that acute endocarditis seldom if ever develops during the first three years of life. Still3 said: "The possibility of acquired simple endocarditis in a child under two years of age can be almost excluded on account of the fact that simple endocarditis almost invariably follows articular rheumatism which hardly ever occurs under three years of age and almost never under two."
REVIEW OF THE LITERATURE
After reviewing the literature, we are inclined to weigh with considerable merit the views of the aforementioned observers, as we were able to find only five cases in infants under 7 months of age.The case
SANSBY JM, LARSON LM. ACUTE BACTERIAL ENDOCARDITIS IN INFANCYA REVIEW OF THE LITERATURE AND REPORT OF A CASE IN A FIVE WEEKS OLD INFANT. Am J Dis Child. 1930;39(6):1261–1267. doi:10.1001/archpedi.1930.01930180111010