A patient who is a candidate for an upper gastrointestinal endoscopy has:
a. been NPO for 8 hours.
b. evident respiratory distress.
c. active gastrointestinal bleeding.
d. an esophageal diverticulum.
A
Verify that the patient has been NPO for at least 8 hours. Evident respiratory distress will increase risk, and the procedure may have to be delayed. This test is contraindicated in patients with severe upper gastrointestinal tract bleed, Zenker's diverticulum, or a large aortic aneurysm.
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