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Question: Foreign body

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Esophageal damage from a button battery lodged in the esophagus can occur as soon as:
GI

pemsou5_wp • October 22, 2019


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  1. Kelly October 22, 2019 - 8:38 am Reply

    B) 30 minutes post-ingestion
    Damage is from generation of hydroxide radicals in the esophageal mucosa, causing caustic injury from high alkaline pH, rather than from electrical or thermal injury. Necrosis can begin as soon as 15 minutes after ingestion, with extension through the outer esophageal muscle layer within 30 minutes. Prompt removal is indicated emergently.

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