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| | Peptic ulcer - Wikipedia, the free encyclopedia |
 | | The timing of the symptoms in relation to the meal may differentiate between gastric and duodenal ulcers: A gastric ulcer would give epigastric pain during the meal, as gastric acid is secreted, or after the meal, as the alkaline duodenal contents reflux into the stomach. |
 | | A major causative factor (75% of gastric and 90% of duodenal ulcers) is chronic inflammation due to Helicobacter pylori, which appears spiral, but is not a spirochaete, rather a bacillus, that colonizes (i.e. |
 | | A family history is often present in duodenal ulcers, especially when blood group O is also present. |
| en.wikipedia.org /wiki/Duodenal_ulcer (1880 words) |
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