Stress ulcer

Stress ulcers are acute gastric mucosal lesions that occur under severe stress, such as multiple trauma, severe systemic infection, large-scale burns, shock, and multiple organ failure, and are one of the common causes of upper gastrointestinal bleeding. The lesions of stress ulcers have four major characteristics: ① it is an acute lesion that occurs under stress; ② it is multiple; ③ the lesion is scattered in the acid secretion sites of the gastric body and the wall cells of the gastric wall, and the stomach For the rare, the gastric antrum is occasionally involved only when the condition develops or worsens; ④ is not accompanied by high gastric acid secretion.

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