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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 f38_21_39263

©2013 UpToDate ® Print Email Battery versus coin ingestion Enlarged radiographic comparison between a camera battery ingestion (left) and coin ingestion (right) demonstrates the subtle, but characteristic differences. The bilaminar structure of the battery gives a "step off" appearance on the lateral view, whereas the coin has sharp, crisp edges. Courtesy of Barbara Specter, MD.