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DD OF hematemesis (Poe) - Coggle Diagram

- - - - Mechanism: Erosion of gastric or duodenal mucosa.
      - Presentation: Epigastric pain, possible melena or hematemesis.
    - - Mechanism: Portal hypertension leading to engorged veins in the esophagus.
      - Presentation: Sudden, massive hematemesis, often in patients with liver cirrhosis.
    - - Mechanism: Inflammation of the gastric mucosa, often due to NSAIDs or alcohol.
      - Presentation: Nausea, vomiting, and hematemesis.
    - - Mechanism: Tear in the esophagus due to severe vomiting.
      - Presentation: Hematemesis following episodes of vomiting.
  - - - Mechanism: Tumor invasion leading to ulceration and bleeding.
      - Presentation: Weight loss, early satiety, and hematemesis.
    - - Mechanism: Tumor causing obstruction and bleeding.
      - Presentation: Progressive dysphagia, weight loss, and hematemesis.