| http://www.w3.org/ns/prov#value | - Emergency situations from foreign bodies, impactions or bleeding are a concern not just because of their emergent state but also because a ???normal??? upper endoscopy is done with the patient in a controlled setting, not having had anything to eat or drink from midnight the night before, so the stomach is empty. ???Therefore, when the endoscope is introduced, usually under sedation, in the normal
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