Abstract
53 cases of congenital heart disease were selected only on the basis that both ecg. and post-mortem records were available. As a result of this study and a review of previously reported cases, it is suggested that the existence of congenital heart lesions may be suspected almost pathognomonically by a group of "specific" and "non-specific" congenital ecg. patterns. The former are so termed because the ecg. points to a particular congenital lesion. The latter, as the designation implies, suggest the existence of congenital heart disease but may be seen in a great variety of lesions. Several cases are presented in tabular form to illustrate these conclusions.

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