An upper GI series is a diagnostic procedure with x-rays to help diagnose problems of the upper GI tract that includes the oesophagus, stomach and duodenum. The duodenum is the first part of the small ...
The upper GI tract must be empty before upper GI endoscopy. Generally, no eating or drinking is allowed for 4 to 8 hours before the procedure. Smoking and chewing gum are also prohibited during this ...
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