This early report documents the morphological diversity of electrocardiograms in pediatric patients with ventricular pre-excitation.
Marked ECG variability in pediatric pre-excitation warrants diagnostic caution; leaves standardization of criteria open.
Summary. The author gives a brief description of the term pre‐excitation, one of the points emphasized being the great morphological diversity shown by the electrocardiograms. Two case reports are appended. All the previously published cases of pre‐excitation in children are presented in tabular form.
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John Lind (1945) studied this question.
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