Melena causes: Difference between revisions
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*[[Colitis]] | *[[Colitis]] | ||
*[[Colitis cystica profunda]] | *[[Colitis cystica profunda]] | ||
*[[Colonic diverticulosis]] | *[[diverticulosis|Colonic diverticulosis]] | ||
*[[Colonic tubular adenomata]] | *[[Colonic tubular adenomata]] | ||
*[[Colonic villous adenomata]] | *[[Colonic villous adenomata]] |
Revision as of 03:37, 21 July 2014
Melena Microchapters
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Diagnosis |
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Treatment |
Case Studies |
Melena causes On the Web |
American Roentgen Ray Society Images of Melena causes |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ogheneochuko Ajari, MB.BS, MS [2]
Overview
The most common cause of melena is peptic ulcer disease. Any other cause of bleeding from the upper gastro-intestinal tract, or even the ascending colon, can also cause melena. Melena may also be a sign of drug overdose if a patient is taking anti-coagulants, such as warfarin. A less serious, self-limiting case of melena can occur in newborns two to three days after delivery, due to swallowed maternal blood.
Causes
Life Threatening Causes
Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated.
Common Causes
- Duodenal ulcer
- Esophagitis
- Esophageal varices
- Gastric tumors
- Gastric ulcer
- Gastritis
- Mallory-Weiss syndrome
- Peptic ulcer
Causes by Organ System
Cardiovascular | No underlying causes |
Chemical/Poisoning | No underlying causes |
Dental | No underlying causes |
Dermatologic | No underlying causes |
Drug Side Effect | No underlying causes |
Ear Nose Throat | No underlying causes |
Endocrine | No underlying causes |
Environmental | No underlying causes |
Gastroenterologic | No underlying causes |
Genetic | No underlying causes |
Hematologic | No underlying causes |
Iatrogenic | No underlying causes |
Infectious Disease | No underlying causes |
Musculoskeletal/Orthopedic | No underlying causes |
Neurologic | No underlying causes |
Nutritional/Metabolic | No underlying causes |
Obstetric/Gynecologic | No underlying causes |
Oncologic | No underlying causes |
Ophthalmologic | No underlying causes |
Overdose/Toxicity | No underlying causes |
Psychiatric | No underlying causes |
Pulmonary | No underlying causes |
Renal/Electrolyte | No underlying causes |
Rheumatology/Immunology/Allergy | No underlying causes |
Sexual | No underlying causes |
Trauma | No underlying causes |
Urologic | No underlying causes |
Miscellaneous | No underlying causes |