melena
Dark bloody feces
Melena is dark, tarry stool caused by digested blood, typically from bleeding in the upper gastrointestinal tract.
The black color distinguishes it from fresh rectal bleeding.
Doctors ask about melena when investigating stomach ulcers, esophageal varices, or other internal bleeding: The patient presented with melena and fatigue.
Delay one's leaving
- darkenedMade less bright
- discolorationAltered surface pigmentation
- tar-likeResembling thick black goo
- fecesSolid digestive waste
bowel movement · excrement · sticky · pitch-black · malodorous · shiny · viscous
Profuse discharge of blood
- blood lossDepletion of vital fluid
- peptic ulcerErosion in digestive lining
- gastritisStomach lining inflammation
- gastric ulcerStomach lining wound
ulceration · erosion · arterial · venous · coagulation · anticoagulants · hemostasis
Red cell deficiency
- pallorUnhealthy facial whiteness
- weaknessDeficiency in force
- fatigueWeariness from prolonged exertion
- tachycardiaExcessively fast pulse
hypotension · syncope · dizziness · shock · transfusion · hospitalization · emergency · resuscitation
Internal organ examination
- colonoscopyLarge intestine examination
- stool sampleCollected excrement for testing
- H. pyloriStomach-dwelling spiral bacterium
- gastroenterologyStudy of digestive organs
tarry
Delay one's leaving
- darkenedMade less bright
- discolorationAltered surface pigmentation
- tar-likeResembling thick black goo
feces · bowel movement · excrement · sticky · pitch-black · malodorous · shiny · viscous
hemorrhage
Profuse discharge of blood
- blood lossDepletion of vital fluid
- peptic ulcerErosion in digestive lining
- gastritisStomach lining inflammation
gastric ulcer · ulceration · erosion · arterial · venous · coagulation · anticoagulants · hemostasis
anemia
Red cell deficiency
tachycardia · hypotension · syncope · dizziness · shock · transfusion · hospitalization · emergency · resuscitation · iron deficiency
endoscopy
Internal organ examination
- colonoscopyLarge intestine examination
- stool sampleCollected excrement for testing
- H. pyloriStomach-dwelling spiral bacterium