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== Overview == | == Overview == | ||
'''Melena''' or ''melaena'' refers to the black, "tarry" [[feces]] that are associated with gastrointestinal [[hemorrhage]]. The black color is caused by oxidation of the [[iron]] in [[hemoglobin]] during its passage through the [[ileum]] and [[colon (anatomy)|colon]]. | '''Melena''' or ''melaena'' refers to the black, "tarry" [[feces]] that are associated with gastrointestinal [[hemorrhage]]. The black color is caused by oxidation of the [[iron]] in [[hemoglobin]] during its passage through the [[ileum]] and [[colon (anatomy)|colon]]. | ||
== References == | == References == | ||
{{reflist|2}} | {{reflist|2}} | ||
Revision as of 13:42, 5 September 2012
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Melena Microchapters
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Diagnosis |
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Treatment |
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Case Studies |
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Melena overview On the Web |
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American Roentgen Ray Society Images of Melena overview |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Melena or melaena refers to the black, "tarry" feces that are associated with gastrointestinal hemorrhage. The black color is caused by oxidation of the iron in hemoglobin during its passage through the ileum and colon.