Gastroenterology clinical image challenge: A 52-year-old man with no past medical or surgical history presented to the emergency department after accidental ingestion of 300 mL of a colorless liquid from his refrigerator. The patient instantly noticed a bitter taste in his mouth as well as burning sensation throughout his oropharynx and esophagus. Immediately after ingestion, the patient also experienced severe retching and emesis. On initial presentation, the patient was hemodynamically stable. There was no evidence of pneumoperitoneum, nor cardiac or neurologic symptoms suggesting air embolism. Further history revealed ingestion of unlabeled 35% hydrogen peroxide.
How should this condition be managed?
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