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A. M. MASTER, M.D.; S. DACK, M.D.; H. L. JAFFE, M.D.

Am J Dis Child. 1937;53(4):1000-1011.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

In recent years the precordial lead of the electrocardiogram has been found valuable in the diagnosis of myocardial involvement in adults.¹ The criteria for normal adults have been established,² but it seemed possible that these might not be accurate for children because of the anatomic differences in the chest. We therefore studied a series of normal children and in 1935 published a preliminary report³ of our findings. A significant variation from the tracings of adults appeared

(Footnotes continued on next page) in the frequent occurrence of an upright T wave,^3a and in an effort to explain this difference between the records for the two age groups, a further investigation was made.

PROCEDURE

Seventy-one normal children⁴ were studied, thirty-six boys and thirty-five girls. The children had been observed carefully in an orphanage for several years and were known to be free from heart disease. No child . . . [Full Text PDF of this Article]

Author Affiliations
NEW YORK

From the Cardiographic Laboratory of the Mount Sinai Hospital.

Footnotes
This investigation was made possible by grants from Mr. Herbert H. Lehman, Mrs. Charles Altschul and Mr. Frank Altschul.

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