Artery to bleed in duodenal ulcer haemorrhage -

Gastro duodenal artery is the most common artery involved in duodenal ulcer hemorrhage. Also, remember A peptic ulcer is the most common cause of massive upper gastrointestinal bleed (Duodenal ulcers > Gastric ulcers) Bleeding ulcers in the duodenum are usually located on the posterior surface of the duodenal bulb.