Chapter 9

Signifies the loss of at least 60 ml of blood into the gastrointestinal tract. Possible causes are peptic ulcer, gastritis or stress ulcers, esophageal or gastric varices, reflux esophagitis. Black, Non-sticky- no pathologic significance. Possible cause is the ingestion of iron, bismuth, salts (Pepto-Bismol), licorice, or even chocolate cookies ................
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