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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following contrast is used for esophageal perforation?
assistant
The correct answer is  Ref. Grainger and Allison's Diagnostic Radiology. Page. 13
 
Non ionic water soluble contrast should be used in most cases of esophageal perforation such as Iohexol .
Water soluble contrast should be used instead of barium contrast to prevent barium related inflammation of the mediastinum if there is perforation .