5,421
edits
Line 34: | Line 34: | ||
* [[Oesophageal varices]] | * [[Oesophageal varices]] | ||
A double-contrast oesophagogram refers to when barium is swallowed first, then air or CO2 releasing tablets. | A double-contrast oesophagogram refers to when barium is swallowed first, then air or CO2 releasing tablets. | ||
Barium is contraindicated in | |||
* Suspicion of perforation of GI tract | |||
* After GI surgery | |||
* High risk for aspiration | |||
If barium is contraindicated, gastrographin is used instead. It is a water-soluble, iodinated contrast agent. Barium leak can cause necrotizing [[peritonitis]]. | |||
<section end="radiology" /> | <section end="radiology" /> | ||
== Investigations for oesophageal cancer == | == Investigations for oesophageal cancer == |