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You are evaluating the electrocardiogram of a 2 year old boy. The patient presented for fever and the ECG was inadvertently ordered on him instead of another patient.
November 14, 2017 at 1:52 pm
C) Biphasic p wave of 0.12 sec duration in lead V1. This would be indicative of left atrial enlargement. A quick reference guide to ECGs in pediatrics can be found on the algorithms page at http://pemsource.org/algorithms/ under Peds ECG.