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Abstract
ABSTRACT This monograph has two parts. In the first, Wasserburger presents a survey of electrocardiograms of normal infants and children based on 259,915 individual measurements of the QRS complexes of 1150 persons. The text is profusely illustrated with electrocardiograms demonstrating the variety of normal records seen in various age groups. In addition, there is a large number of charts of mean and maximum activation time and minimum and maximum amplitude of the Q, R, and S waves in leads AVR and precordial leads V3R through V6.In the second section the author uses the normal data to suggest criteria for distinguishing abnormal from normal electrocardiograms. A large number of electrocardiograms typical of each abnormality are shown, as well as tracings which present problems in interpretation. The author points out that measurements of a single deflection in a single lead often result in interpretation difficulties, and emphasizes the necessity
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