EGD may be performed to control upper GI bleeding. The most common causes of acute upper GI bleeding include gastric and duodenal ulcers, esophageal varices, gastritis, duodenitis, Mallory-Weiss tears, gastric antral vascular ectasia (GAVE), and arteriovenous malformations (AVMs). Figure 6-14.
Double channel (therapeutic) endoscope. Figure 6-15.
Electrosurgical unit with cautery probe.