<unk>  is suspected when there is upper gastrointestinal bleeding in the appropriate clinical setting, for example, when there is upper gastrointestinal bleeding in elderly patients in a surgical intensive care unit (ICU) with heart and lung disease, or when there is upper gastrointestinal bleeding in patients in a medical ICU who require respirators.<unk>  can be diagnosed after the initial management of gastrointestinal bleeding, the diagnosis can be confirmed by upper GI endoscopy. Prevention The need for medications to prevent<unk>  among those in the intensive care unit is unclear. As of 2014, the quality of the evidence is poor. It is unclear which agent is best or if prevention is needed at all. Benefit may only occur in those who are not being fed. Possible agents include antacids, H2-receptor blockers, sucralfate, and proton pump inhibitors (PPIs). Tentative evidence supports that PPIs may be better than H2 blockers. Concerns with the use of<unk>  prophylaxis agents include increased rates of pneumonia and Clostridium difficile colitis.
Stress ulcer
Callous ulcer
Cushing ulcer
Tropical ulcer
Arterial insufficiency ulcer
Gastric varices
Kangri ulcer
Venous ulcer