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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f28_47_29428

©2013 UpToDate ® Print Email 12-lead electrocardiogram (ECG) of a right anterior septal accessory AV pathway Electrocardiogram from a patient with Wolff-Parkinson-White syndrome during sinus tachycardia show a maximally preexcited QRS complex which has a left bundle branch block pattern and is markedly positive in the inferior leads. The delta wave is isoelectric in leads aVL and V6. These features localize the accessory pathway to the right anterior septum.