melaena


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Related to melaena: hematochezia

me·le·na

(mĕ-lē'nă)
Passage of tarry stools, due to the presence of blood altered by the intestinal juices.
Compare: hematochezia
Synonym(s): melaena.
[G. melaina, fem. of melas, black]

melaena

Blackening of the stools by altered blood that has been released into the bowel from bleeding in the OESOPHAGUS, STOMACH, or DUODENUM. Melaena implies loss of at least 60 ml of blood and is an important warning sign that should never be ignored.

me·le·na

(mĕ-lē'nă)
Passage of dark-colored, tarry stools, due to presence of blood altered by intestinal juices. Cf. hematochezia.
[G. melaina, fem. of melas, black]

melena, melaena

darkening of the feces by blood pigments. Typically the feces have a black color with a red tinge at the edges and are soft and almost slimy.
References in periodicals archive ?
They reported that among the fatalities, haematemesis, melaena and somnolence were more common, the median platelet count was significantly lower (10,600/ml vs 20,000/ml), the mean PT (27 sec vs 16 sec) and mean aPTT (73 sec vs 44 sec) were longer, and the mean ALT level (1125 vs 331 IU/l), the mean AST level (3118 vs 913 IU/l) and the mean fibrinogen level (119 vs 340 IU/l) were higher.
2) residing in Village Shultanganj, PO Mahendru, District Patna, came with the complain of epigastric pain, with melaena for the last five days and with a history of fever since last one month.
He had a bright red melaena stool and right iliac abdominal pain.