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What contrast material should you avoid when assessing for oesophageal perforation?
Barium - if there is a perforation and barium leaks into the mediastinum or peritoneal cavity it can cause a chronic mediastinitis or peritonitis.
How common is perforation post endoscopy?
Perforation post endoscopy is uncommon with a prevalence of between 0.05-2.6%.
Mucosal irregularity of the anterior wall of the mid thoracic oesophagus likely corresponds to the region of dilatation and represents a likely mucosal tear.
Acknowledgment: Dr David Wang.