This analysis of observations in normal children was made for use as a control in the study of electrocardiograms taken during the course of infectious diseases.
While considerable work had been done by Seham,1 Lincoln and Nicolson,2 Hecht3 and others, giving a good idea of the normal electrocardiograph in children, we considered it advisable to study a series of normal children, children who lived in the same locality, in the same environment and under approximately the same conditions as the children in whom we were to study the effects of disease.
Two hundred and fifty-nine normal boys and girls, ranging between the ages of 6 and 14 and living at the Brooklyn Hebrew Orphan Asylum for at least two years previous to our study, were observed. All of them had had at least two physical examinations during that period. Any child suspected of having had rheumatic fever,
SHOOKHOFF C, TARAN LM. ELECTROCARDIOGRAPHIC STUDIES IN INFECTIOUS DISEASES: I. NORMAL CHILDREN. Am J Dis Child. 1931;42(2):342–355. doi:10.1001/archpedi.1931.01940140082007
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