Quiz: When to Use Endoscopy for Acute Upper Gastrointestinal Bleeding

1. In patients with upper gastrointestinal bleeding who are predicted to be at high risk for further bleeding or death, when should endoscopy be performed following gastroenterologic consultation?
a. within 6 hours
b. between 6 and 24 hours
c. between 24 and 48 hours
d. within 72 hours