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Blood in stool or rectal bleeding looks different depending on how early it enters the digestive tract—and thus how much digestive action it has been exposed to—and how much there is. The term can refer either to melena , with a black appearance, typically originating from upper gastrointestinal bleeding ; or to hematochezia ...
- Hematochezia
Symptoms. bright blood in stool. Causes. Hemorrhoid,...
- Gastrointestinal bleeding
Gastrointestinal bleeding ( GI bleed ), also called...
- Fecal occult blood
Fecal occult blood (FOB) refers to blood in the feces that...
- Hematochezia
Causas. Diagnóstico. Tratamento. Referências. Hematoquezia. Hemorroidas de grau 2, registradas com câmara de colonoscopia. Hematoquezia ou hemorragia retal é o termo médico utilizado para designar a presença de sangue vermelho pelo ânus, sinal de uma hemorragia digestiva baixa. [ 1] .
References. Further reading. External links. Rectal bleeding refers to bleeding in the rectum. There are many causes of rectal hemorrhage, including inflamed hemorrhoids (which are dilated vessels in the perianal fat pads), rectal varices, proctitis (of various causes), stercoral ulcers and infections.
- Rectal hemorrhage
The stool of a person with a lower gastrointestinal bleed is a good (but not infallible) indication of where the bleeding is occurring. Black tarry appearing stools medically referred to as melena usually indicates blood that has been in the GI tract for at least 8 hours.
