Rectal bleeding
Encyclopedia
Rectal bleeding can refer to:
- Lower gastrointestinal bleedingLower gastrointestinal bleedingLower gastrointestinal bleeding, commonly abbreviated LGIB, refers to any form of bleeding in the lower gastrointestinal tract. LGIB is a common ailment seen at emergency departments. It presents less commonly than upper gastrointestinal bleeding . It is estimated that UGIB accounts for 100-200 per...
- HematocheziaHematocheziaHematochezia is the passage of fresh blood per anus, usually in or with stools . Hematochezia is commonly associated with lower gastrointestinal bleeding, but may also occur from a brisk upper GI bleed...
- Fecal occult bloodFecal occult bloodFecal occult blood refers to blood in the feces that is not visibly apparent. A fecal occult blood test checks for hidden blood in the stool...
- MelenaMelenaIn medicine, 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.-Melena vs...