Melena causes: Difference between revisions
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== Causes == | == Causes == | ||
The upper part of the GI tract will usually cause black stools due to: | The upper part of the GI tract will usually cause black stools due to: | ||
* Abnormal blood | * Abnormal [[blood vessel]]s (vascular [[malformation]]) | ||
* A tear in the esophagus from violent vomiting (Mallory-Weiss tear) | * A tear in the esophagus from violent vomiting ([[Mallory-Weiss tear]]) | ||
* Bleeding stomach or duodenal ulcer | * Bleeding stomach or [[duodenal ulcer]] | ||
* Inflammation of the stomach lining (gastritis) | * Inflammation of the stomach lining ([[gastritis]]) | ||
* Lack of proper blood flow to the intestines (bowel ischemia) | * Lack of proper blood flow to the intestines ([[bowel]] [[ischemia]]) | ||
* Trauma or foreign body | * Trauma or foreign body | ||
* Widened, overgrown veins (called varices) in the esophagus and stomach | * Widened, overgrown veins (called [[varices]]) in the esophagus and stomach | ||
== References == | == References == | ||
{{reflist|2}} | {{reflist|2}} | ||
[[Category:Needs content]] | [[Category:Needs content]] | ||
Revision as of 13:55, 5 September 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Causes
The upper part of the GI tract will usually cause black stools due to:
- Abnormal blood vessels (vascular malformation)
- A tear in the esophagus from violent vomiting (Mallory-Weiss tear)
- Bleeding stomach or duodenal ulcer
- Inflammation of the stomach lining (gastritis)
- Lack of proper blood flow to the intestines (bowel ischemia)
- Trauma or foreign body
- Widened, overgrown veins (called varices) in the esophagus and stomach