하부 위장관 출혈, Lower GI Bleeding

목차

1. Introduction
2. UGI bleeding - incidence
3. Incidence of lower GI bleeding
4. Colonic source of bleeding
5. Small intestine bleeding
6. Management of LGIB
7. LGIB representing as melena

본문내용

Introduction
Definition:
▪ Lower GI bleeding → bleeding from a source distal to the ligaments of Treitz
▪ In some cases : includes small bowel bleeding

Lower gastrointestinal bleeding(LGIB)
▪ ~20% of all cases of GI bleeding
▪ Stop spontaneously
▪ Favorable outcomes, morbidity
▪ Symptoms:
• Sudden onset of hematochezia(maroon or red bleed passed per rectum)
• In rare cases : melena(black, tarry stools) from cecum/right colon
– If, passage time delayed
– About 60cc bleeding → melena
– > 60cc bleeding → 7d~ melena

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