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Melena

Melena is a form of blood in stool which refers to the dark black, tarry feces that are commonly associated with upper gastrointestinal bleeding. The black color and characteristic strong odor are caused by hemoglobin in the blood being altered by digestive enzymes and intestinal bacteria.

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Causes
Gastritis · Gastrointestinal bleeding · Stomach cancer
Other names
Melaena, melæna
Pronunciation
/məˈliːnə/ or /ˈmɛlɪnə/
Specialty
General surgery, gastroenterology
Symptoms
Dark blood in stool

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Causes

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Etymology

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Map overview Semantic statistics

Melena

Nodes43
Edges42
Triples30
Avg. degree1.95
Density0.046512
Components1

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Melena

Top relations

related to Diagnosis · 6
Melena → Colonoscopy, However, In, Lower, Often, This
has cause · 5
Melena → Causes, However, Mallory-Weiss, Meckel's, The
related to Melena versus hematochezia · 5
Melena → Bleeds, For, One, Only, Treitz
Causes · 3
Melena → Gastritis, Gastrointestinal bleeding, Stomach cancer
related to Etymology · 3
Melena → Greek, Latin, The
Other names · 1
Melena → Melaena, melæna
Pronunciation · 1
Melena → /məˈliːnə/ or /ˈmɛlɪnə/
Specialty · 1
Melena → General surgery, gastroenterology
Symptoms · 1
Melena → Dark blood in stool
is a · 1
Melena → form of blood in stool which refers to the dark black

Important terminology Word statistics

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Important terminology

blood bleeding black gastrointestinal may stool causes upper hematochezia citation needed associated stomach however source caused pepto-bismol dark gastritis bleed

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
MelenaCausesGastritis1.00infobox
MelenaCausesGastrointestinal bleeding1.00infobox
MelenaCausesStomach cancer1.00infobox
MelenaOther namesMelaena, melæna1.00infobox
MelenaPronunciation/məˈliːnə/ or /ˈmɛlɪnə/1.00infobox
MelenaSpecialtyGeneral surgery, gastroenterology1.00infobox
MelenaSymptomsDark blood in stool1.00infobox
Melenais aform of blood in stool which refers to the dark black0.90text
beetrootinstance ofor by foods0.80text
black liquoriceinstance ofor by foods0.80text
or blueberriesinstance ofor by foods0.80text
Melenahas causeThe0.60section

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